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UMichBirders for Friday, March 28, 2008
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Subject: [birders] bluebird house/nest transplant question
From: tedsamuelson(AT)comcast.net
Date: 28 Mar 2008 2:53am
----INCLUDING text/plain MIME SECTION----
Hello all ..
Quick question - I recently ordered and received my 2 new bluebird houses. Both
have the plexiglas viewing option, so I am eager to get them up as I have seen
two bluebirds beginning to use one of the old boxes I have up now. So today
when I went out to take down the old boxes and put up the new ones. I found a
perfect little nest inside one - no eggs. I was unable to put the new box up as
I needed different screws.
So I now have the new screws. My question is - I am surprised this new next is
already built up so much. As I have only seen mild activity around the old
boxes this year. Could this nest be from last season? Would they use it again
this year? I hadn't cleaned it out, since I was waiting on my new houses.
So - should I try and transfer the next to the new box or just throw it out near
the new box, and see if they then use the old nest to build the new one?
---
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[ << | >> | ^^ ]
Subject: [birders] Re: bluebird house/nest transplant question
From: "Maynard Sumner" <m-r-sumner(AT)juno.com>
Date: 28 Mar 2008 3:33am
Is the old box falling a part? Without my seeing the nest it would be hard for
me to know if it is old or new. What other birds do you get that would use a
nest box? Maybe you can put the new one up within 15 feet of the old one. That
way you can have Bluebirds and some other kind of bird. I have some of the kind
of boxes you are talking about. You can check on the birds without opening the
box up all the way. The only birds I got in it was House Sparrows.
Maynard Sumner
Flint, MI
www.michiganbluebirds.org
_______________________________________________________________
Hello all ..
Quick question - I recently ordered and received my 2 new bluebird houses. Both
have the Plexiglas viewing option, so I am eager to get them up as I have seen
two bluebirds beginning to use one of the old boxes I have up now. So today
when I went out to take down the old boxes and put up the new ones. I found a
perfect little nest inside one - no eggs. I was unable to put the new box up as
I needed different screws.
So I now have the new screws. My question is - I am surprised this new next is
already built up so much. As I have only seen mild activity around the old
boxes this year. Could this nest be from last season? Would they use it again
this year? I hadn't cleaned it out, since I was waiting on my new houses.
So - should I try and transfer the next to the new box or just throw it out near
the new box, and see if they then use the old nest to build the new one?
_____________________________________________________________
Click to make millions by owning your own franchise.
http://thirdpartyoffers.juno.com/TGL2121/fc/Ioyw6i3m6ePWWSHG8DVCAa7m2le5WLeD2rGS4oPUJLHn3WtLXd1zIj/
---
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[ << | >> | ^^ ]
Subject: [birders] RE: White-winged Scoters, Marine City
From: "Russell Emmons" <birdeland(AT)pasty.net>
Date: 28 Mar 2008 1:09am
This is a multi-part message in MIME format.
----INCLUDING text/plain MIME SECTION----
Cendra: Phragmites (aka Common Reeds) are a non-native invasive species. =
They are very prolific, spread easily everywhere. They are very =
detrimental and choke out very thoroughly almost all normal native =
species of plants even Cattails which are beneficial native basic marsh =
plants. Cattails offer shelter, nest sites, and even are a food source =
for many marsh creatures. Some of these then being food for waterfowl =
etc.etc. Phragmites are not and where they are, the habitat is almost =
barren of most any creatures. I believe, I think, Phragmites are =
literally repulsive to many marsh inhabitants. Last years or dead plants =
can also be a fire hazard. They can tolerate pollution and the worst of =
soil conditions. They are considered by most just a weed. There are =
probably others here who can add more and better to my comments without =
my searching for further details and my being overly lengthy.
Purple Loosestrife is another more recent non-native invasive species =
causing problems.
Russ Emmons, St. Clair county
----- Original Message -----=20
From: Cendra=20
To: birders(AT)umich.edu=20
Sent: Thursday, March 27, 2008 11:43 PM
Subject: [birders] RE: White-winged Scoters, Marine City
I looked up phragmites: any of several tall grasses of the genus =
Phragmites, having plumed heads, growing in marshy areas, esp. the =
common reed P. australis (or P. communis).=20
Why is it good that they've been cut?
Cendra Lynn
OWS, A2
-------------------------------------------------------------------------=
-----
From: Russell Emmons [mailto:birdeland(AT)pasty.net]=20
Sent: Tuesday, March 25, 2008 4:52 PM
To: birders(AT)umich.edu
Subject: [birders] White-winged Scoters, Marine City
I've just posted on umich birders Grove Street album a photo of 1 =
of 2 White-winged Scoters I spotted WAY out on the St.Clair River =
yesterday just off downtown Marine City. The pic is small but =
discernible. (No digiscope or big lense.) Sorry about the late post. =
Also on this jaunt along the river and over to the St. Johns Marsh, =
Anchor Bay, a few other noteworthy species were the expected Common =
Mergansers, Buffleheads, Canvasbacks, Redheads, Mallards, Canada Geese, =
Swans, Great Blue Heron (only 1) Killdeer (only a few) Ring-billed =
Gulls, Red-tail Hawks (2), Rough-legged Hawk, and hundreds of Red-winged =
Blackbirds, Grackles, Brown-Headed Cowbirds, Starlings each and I =
suspected a few Rusty Blackbirds mixed in the hordes. Conspicuous by =
their absence were Pied-billed Grebes and American Coots, Greater-Black =
Backed Gulls, Bonapartes Gulls!
Spring is just not happening up this way. Today blizzard like =
conditions, high winds, more snow! The Belle River, adjoining creeks, =
the St. Johns Marsh/St. Clair Flats are still mostly froze over! Anchor =
Bay mostly also with many ice-fisherman still way out there fishing!
We noted still several dead ducks out on the ice floes along our =
way!
Vast areas of Phragmites have been cut in the marsh by someone. I =
assume the DNR? I say Hooray finally! Keep it up there is MUCH more to =
be done!
Russ Emmons, Casco Twp. St. Clair county
---
* birders FAQ - http://www.umich.edu/~bbowman/birds/birders_FAQ.html
* photo sharing site - =
http://www.umich.edu/~bbowman/birds/se_mich/photos.html=20
* To unsubscribe from birders(AT)umich.edu send a blank message to
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line. To
resubscribe use SUBSCRIBE BIRDERS Your Name.=20
---
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* To unsubscribe from birders(AT)umich.edu send a blank message to
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line. To
resubscribe use SUBSCRIBE BIRDERS Your Name.=20
---
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----DELETED text/html MIME SECTION----
[ << | >> | ^^ ]
Subject: [birders] RE: song sparrow
From: "Fred Kaluza" <fkaluza(AT)sbcglobal.net>
Date: 28 Mar 2008 9:08am
Russ, I've not known (nor even heard about) Starlings being "brain
eaters". They will of course use their beaks to simply kill any other bird
that happens to be in a place they want to nest. I've also not seen (or
heard of) Starlings "hunting-down" other birds "of any kind" outside a
nesting situation.
English House Sparrows are known for their quarrelsome actions
against others of their own kind more so than Starlings in my opinion. I've
often been surprised to see a pair of HOSP males just grapple on to each
other and tumble to the ground in a shrieking ball of feathers, feet and
dust.
And, if this is of any value to you or your friends, I found out
about a small unmarked wooden packing crate up against the rear wall of the
Bass Pro-Shop at Great-Lakes-Crossing where members of the PNBM
"Pro-Native-Bird-Militia" are handing out very small M-16 rifles to the
legions of Martins, Tree Swallows, Bluebirds, Nuthatches, Chickadees and
other cavity nesters who are bent on repelling HOSP and EUST this season.
Rumor is that they've been under assault and have been outmatched up until
now. Should be an interesting season. Reportedly the miniaturized ammo
will set you back 100 Safflower or 50 Black Oilers per box of 20 cartridges.
If you pay with Thistle (nyger), returns will be accepted for store credit
only. No Refunds!
-----Original Message-----
From: Russell Emmons [mailto:birdeland(AT)pasty.net]
Sent: Thursday, March 27, 2008 5:47 PM
To: birders(AT)umich.edu
Subject: [birders] RE: song sparrow
From the observations of this I've seen personally and heard about it seems
a territorial or even "personal space" thing. Sparrows feeding on the
ground near Grackles got too close to the "choice" area the Grackle(s) were
and it lashed out. Yes I've seen evidence of them nest raiding also. Seems
more the males do all this. Testosterone? (the most dangerous chemical in
the world!) The pecking of the backs of heads out is apparently the most
standard method used. Lest we forget House Sparrows notorious raiding of
Bluebird, Tree Swallow, Chickadees and even Purple Martin nest boxes and
viciously pecking out brains of the incubating female. This is why the House
Sparrows bad reputation. I don't know if Starlings though do this even
though they are strong nest site ursurpers. Fred?
House Wrens are known to actually toss out eggs or peck holes in those
of the above mentioned nesters.
Russ Emmons, Casco Twp. St. Clair county
----- Original Message -----
From: "Richard Neubig" <rneubig(AT)med.umich.edu>
To: <birders(AT)umich.edu>
Sent: Thursday, March 27, 2008 9:55 AM
Subject: [birders] RE: song sparrow
Last spring I saw a red-bellied woodpecker very methodically march up to a
gnatcatcher nest in the Arb and snatch the baby out - while the parent was
flying at the woodpecker repeatedly to chase it away but to no avail.
Rick
Rick Neubig RNeubig(AT)umich.edu
Department of Pharmacology University of Michigan
Phone (734) 764-8165
FAX (734) 763-4450
Personal web site
http://warbler.med.umich.edu
Center for Chemical Genomics
http://lsi.umich.edu/ccg
>>> "Santner, Steven" <santners(AT)karmanos.org> 03/27/08 8:06 AM >>>
Bob:
Along with Blue Jays and crows and possibly even cuckoos (I saw
one chase an adult goldfinch once) and maybe others.
Steve Santner
-----Original Message-----
From: Bob Bethune [mailto:poihths(AT)comcast.net]
Sent: Wednesday, March 26, 2008 9:42 PM
To: birders(AT)umich.edu
Subject: [birders] RE: song sparrow
So, grackles join hawks and shrikes in the passerine-eaters club?
Bob Bethune
Freshwater Seas
http://www.freshwaterseas.com
-----Original Message-----
From: Penny [mailto:Jumpthroughhoops(AT)yahoo.com]
Sent: Wednesday, March 26, 2008 8:55 PM
To: birders(AT)umich.edu
Subject: [birders] RE: song sparrow
I have seen Grackles attack and kill sparrows in my backyard. The
pigeons without heads looked like they died in a similar manner to the
headless sparrows - decapitated. I couldn't figure out what was killing
them until I actually saw it happen a few times. As near as I can
figure out, it's to reduce competition for food at feeders. It's odd
because they usually even eat side by side on the ground. Then.....it's
like something sets them off. One year I had so many it was getting
disgusting. I have seen them peck at the brain.
---
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Subject: [birders] RE: White-winged Scoters, Marine City
From: "Santner, Steven" <santners(AT)karmanos.org>
Date: 28 Mar 2008 9:09am
This is a multi-part message in MIME format.
----INCLUDING text/plain MIME SECTION----
Cendra:
=20
They are not native to the United States and they are invasive.
They drive out cattails, which are native here.
=20
Steve Santner
-----Original Message-----
From: Cendra [mailto:cendra(AT)digitalrealm.net]=20
Sent: Thursday, March 27, 2008 11:43 PM
To: birders(AT)umich.edu
Subject: [birders] RE: White-winged Scoters, Marine City
=09
=09
I looked up phragmites: any of several tall grasses of the genus
Phragmites, having plumed heads, growing in marshy areas, esp. the
common reed P. australis (or P. communis).=20
=20
Why is it good that they've been cut?
=20
Cendra Lynn
OWS, A2
________________________________
From: Russell Emmons [mailto:birdeland(AT)pasty.net]=20
Sent: Tuesday, March 25, 2008 4:52 PM
To: birders(AT)umich.edu
Subject: [birders] White-winged Scoters, Marine City
=09
=09
I've just posted on umich birders Grove Street album a photo
of 1 of 2 White-winged Scoters I spotted WAY out on the St.Clair River
yesterday just off downtown Marine City. The pic is small but
discernible. (No digiscope or big lense.) Sorry about the late post.
Also on this jaunt along the river and over to the St. Johns Marsh,
Anchor Bay, a few other noteworthy species were the expected Common
Mergansers, Buffleheads, Canvasbacks, Redheads, Mallards, Canada Geese,
Swans, Great Blue Heron (only 1) Killdeer (only a few) Ring-billed
Gulls, Red-tail Hawks (2), Rough-legged Hawk, and hundreds of Red-winged
Blackbirds, Grackles, Brown-Headed Cowbirds, Starlings each and I
suspected a few Rusty Blackbirds mixed in the hordes. Conspicuous by
their absence were Pied-billed Grebes and American Coots, Greater-Black
Backed Gulls, Bonapartes Gulls!
Spring is just not happening up this way. Today blizzard like
conditions, high winds, more snow! The Belle River, adjoining creeks,
the St. Johns Marsh/St. Clair Flats are still mostly froze over! Anchor
Bay mostly also with many ice-fisherman still way out there fishing!
We noted still several dead ducks out on the ice floes
along our way!
Vast areas of Phragmites have been cut in the marsh by someone.
I assume the DNR? I say Hooray finally! Keep it up there is MUCH more
to be done!
=20
Russ Emmons, Casco Twp. St. Clair county
---
* birders FAQ -
http://www.umich.edu/~bbowman/birds/birders_FAQ.html
* photo sharing site -
http://www.umich.edu/~bbowman/birds/se_mich/photos.html=20
=09
* To unsubscribe from birders(AT)umich.edu send a blank message to
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Subject line. To
resubscribe use SUBSCRIBE BIRDERS Your Name.=20
---
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=09
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=09
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----DELETED text/html MIME SECTION----
[ << | >> | ^^ ]
Subject: [birders] re: returning robins
From: "Fred Kaluza" <fkaluza(AT)sbcglobal.net>
Date: 28 Mar 2008 9:26am
Julie, I think it's much more likely that your friends ran into an
avian blacksmith who removed their bands!
And even if you tell me the "new" Wrens had their own bands which
were different from the first pair I'd be a bigger believer in simple
identity theft.
-----Original Message-----
From: Julie Craves [mailto:jcraves(AT)umd.umich.edu]
Sent: Thursday, March 27, 2008 11:33 AM
To: birders(AT)umich.edu
Subject: [birders] re: returning robins
Sorry, I'm going to keep at this...
I banded a pair of Carolina Wrens in my yard several years ago. One
winter, they came to my office window, where I would put out mealworms
and waxworms for them, something I began just for them as it was a harsh
winter.
Come nesting season, they disappeared, and we didn't see wrens again in
the yard until one or two winters later. Once again, it was two birds,
and they made their presence known by landing on my office windowsill,
although I had not put out any worms for many months. Guess what? They
were new wrens. Had I not banded the original two, I would have sworn
these were the same birds I had fed before.
I'm not trying to be a jerk, so let me explain my position. I don't have
the time to correct all factual errors that appear in this forum.
However, I think one purpose of this list is to share and educate each
other about birds. Certainly public education is part of my job. Many
people on this list do not have the access to scientific literature, or
the background or motivation to assimilate it, that I do. There are many
common, persistent, misconceptions about birds (or ecology). When
something along these lines pops up and I can address it, I do so, since
ignoring it means I have passed up a valuable opportunity to help people
think about the world around them in new and different ways (I hope!).
I sometimes do this with reluctance. Part of my job also depends on the
goodwill and support of the community, and representing the University
in a positive way. I hope that my wet-blanket posts do not seem too
curmudgeonly and are taken in the spirit in which they are intended --
opening windows and not closing doors.
> I used to raise lots of baby wild birds at home. Late in the
> afternoon i would clean their cages and take the dirty astroturf off
> the cage bottoms and take it outside to wash off. lots of meal worms
> went with it. The neighbor hood birds were also raising babies and
> eager to get these worms. I would scare off the starlings and let
> the robins and jays collect the worms and take them off to feed their
> perpetually hungry families.
> One off the male robins got my number. When he came back in the
> spring if the weather turned snowy and impossible for him, he would
> hang about conspicuously, where I couldn't help but see him. I would
> go out with his meal worms which he would eat while I noisily fought
> off the starlings. This happened frequently. Later in the spring if
> I was working in the yard, he would come down to a low branch and
> make a great racket so I would notice him. I'd go get worms for him
> very reliably. He came back for seven years, the year he didn't
> return was very sad.
> Sherri Smith
--
Julie A. Craves
Rouge River Bird Observatory
University of Michigan-Dearborn
Dearborn, MI 48128
http://www.rrbo.org
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No virus found in this incoming message.
Checked by AVG.
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10:03 AM
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Checked by AVG.
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10:03 AM
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[ << | >> | ^^ ]
Subject: [birders] RE: White-winged Scoters, Marine City
From: "Sally K Scheer" <winerat(AT)villagecorner.com>
Date: 28 Mar 2008 9:59am
This is a multi-part message in MIME format.
----INCLUDING text/plain MIME SECTION----
Good information Russ. Is that the reed we used to call "fishing poles" =
when we were kids on Coldwater Lake in Branch County? Rather dark green. =
They have segments and black almost frilly borders on the segments and =
pull apart easily? They're very rough and they make a kind of hollow =
sound when you brush thru them?
Sally Scheer
Rogers City MI
Shore of Lake Huron
Presque Isle County
----- Original Message -----=20
From: Russell Emmons=20
To: birders(AT)umich.edu=20
Sent: Friday, March 28, 2008 1:09 AM
Subject: [birders] RE: White-winged Scoters, Marine City
Cendra: Phragmites (aka Common Reeds) are a non-native invasive =
species. They are very prolific, spread easily everywhere. They are very =
detrimental and choke out very thoroughly almost all normal native =
species of plants even Cattails which are beneficial native basic marsh =
plants. Cattails offer shelter, nest sites, and even are a food source =
for many marsh creatures. Some of these then being food for waterfowl =
etc.etc. Phragmites are not and where they are, the habitat is almost =
barren of most any creatures. I believe, I think, Phragmites are =
literally repulsive to many marsh inhabitants. Last years or dead plants =
can also be a fire hazard. They can tolerate pollution and the worst of =
soil conditions. They are considered by most just a weed. There are =
probably others here who can add more and better to my comments without =
my searching for further details and my being overly lengthy.
Purple Loosestrife is another more recent non-native invasive =
species causing problems.
Russ Emmons, St. Clair county
----- Original Message -----=20
From: Cendra=20
To: birders(AT)umich.edu=20
Sent: Thursday, March 27, 2008 11:43 PM
Subject: [birders] RE: White-winged Scoters, Marine City
I looked up phragmites: any of several tall grasses of the genus =
Phragmites, having plumed heads, growing in marshy areas, esp. the =
common reed P. australis (or P. communis).=20
Why is it good that they've been cut?
Cendra Lynn
OWS, A2
-------------------------------------------------------------------------=
---
From: Russell Emmons [mailto:birdeland(AT)pasty.net]=20
Sent: Tuesday, March 25, 2008 4:52 PM
To: birders(AT)umich.edu
Subject: [birders] White-winged Scoters, Marine City
I've just posted on umich birders Grove Street album a photo of 1 =
of 2 White-winged Scoters I spotted WAY out on the St.Clair River =
yesterday just off downtown Marine City. The pic is small but =
discernible. (No digiscope or big lense.) Sorry about the late post. =
Also on this jaunt along the river and over to the St. Johns Marsh, =
Anchor Bay, a few other noteworthy species were the expected Common =
Mergansers, Buffleheads, Canvasbacks, Redheads, Mallards, Canada Geese, =
Swans, Great Blue Heron (only 1) Killdeer (only a few) Ring-billed =
Gulls, Red-tail Hawks (2), Rough-legged Hawk, and hundreds of Red-winged =
Blackbirds, Grackles, Brown-Headed Cowbirds, Starlings each and I =
suspected a few Rusty Blackbirds mixed in the hordes. Conspicuous by =
their absence were Pied-billed Grebes and American Coots, Greater-Black =
Backed Gulls, Bonapartes Gulls!
Spring is just not happening up this way. Today blizzard like =
conditions, high winds, more snow! The Belle River, adjoining creeks, =
the St. Johns Marsh/St. Clair Flats are still mostly froze over! Anchor =
Bay mostly also with many ice-fisherman still way out there fishing!
We noted still several dead ducks out on the ice floes along =
our way!
Vast areas of Phragmites have been cut in the marsh by someone. I =
assume the DNR? I say Hooray finally! Keep it up there is MUCH more to =
be done!
Russ Emmons, Casco Twp. St. Clair county
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Subject: [birders] RE: song sparrow
From: WovenWoman(AT)aol.com
Date: 28 Mar 2008 10:41am
----INCLUDING text/plain MIME SECTION----
This thread is sounding like some horrible sci-fi flick. Thank god birds are
smaller than us.
Namaste,
Edie
**************Create a Home Theater Like the Pros. Watch the video on AOL
Home.
(http://home.aol.com/diy/home-improvement-eric-stromer?video=15&ncid=aolhom00030000000001)
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Subject: [birders] Re: robins' lifespan (was returning robins)
From: Pat Turnbull-Office of Research & Sponsored Programs <pawatson(AT)umich.edu>
Date: 28 Mar 2008 12:50pm
I appreciate when people--especially experts-- "set the record straight,"
so I for one thank Julie for her due diligence on this.
The University of Michigan's Museum of Zoology Animal Diversity web says
"The longest known lifespan in the wild of an American Robin is 14 years;
the average lifespan is about 2 years. Only about one quarter of all young
American robins will survive the summer in which they were born."
Cornell University Ornithology Lab website says "Only 25 percent of those
fledged young survive to November. From that point on, about half of the
robins alive in any year will make it to the next. Despite the fact that a
lucky robin can live to be 14 years old, the entire population turns over
on average every six years."
This makes me curious about the difference between UM's posted average
lifespan of 2 years and Cornell's noted "population turnover" every 6
years. Both websites reference the 1999 book Birds of North America by
Sallabanks & James, but I noticed that a lot of other websites/publications
cite a couple of longevity studies by DS Farner (published in the Wilson
Bulletin in the late 40's), and state that most robins don't survive past 6
years (i.e., the EPA's American Robin species profile). A 4-year
difference in what's being stated as the average lifespan seems like a lot.
Any ideas why the discrepancy?
There's a lot of information out there, and it's not necessarily all the
same, true. But much of it is based on scientifically documented data. The
oldest robin on record lived over 13 years, but that doesn't mean it's a
common occurrence, or even that it happened more than once. The age of the
oldest banded bird implies--well, nothing really as far as the average
lifespan. It is what it is: apparently 2-6 years for the 25% who reach
adulthood. But if the entire population is turning over every 6 years, then
most of them are NOT making it that long. I'm no expert, and although it is
really fun to think of the same bird returning many years in a row, I'm
inclined to go along with the "wet blanket." ;)
--On Thursday, March 27, 2008 8:25 PM -0400 <birders> wrote:
> An information sheet published by The Raptor Trust, a wildlife
> rehabilitation center in New Jersey, lists maximum known ages of wild
> birds from banding data. The American Robin is listed at 13 years.
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Subject: [birders] Re: bluebird house/nest transplant question
From: "Penny" <Jumpthroughhoops(AT)yahoo.com>
Date: 28 Mar 2008 1:02pm
I wouldn't throw out the nest in the old box. You may never see bluebirds
there again. One spring, in March, I removed what I thought was an "old"
chickadee nest from a birdhouse they had used the year before.
Apparently, it was not an old nest but a new one, and the chickadees have
never returned to that nest box in subsequent years. Now, I remove old
nests in the fall.
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Subject: [birders] Thursday Port Huron and The Pinery
From: Ed Lewandowski <scotchman12year(AT)yahoo.com>
Date: 28 Mar 2008 10:41am
----INCLUDING text/plain MIME SECTION----
Hello Birders,
Made the monthly bird trip with sights set on Port Huron and the Pinery.
Birded with Tom Shehan and Craig Gough.
Highlights...
Port Huron
Loads of WW Scoters and Oldsquaws at the river mouth
First Kingfisher of the year
No Peregrines today
en route to the Pinery we were checking on some old sewage lagoons in the
Lambton Co area. Most were frozen, but some farm fields along the way yielded
some duck and Tundra Swan activity as well as plenty of Horned Larks and Snow
Buntings.
A group of 80-100 Snow Buntings scared off near Port Franks, went up into the
top of a large tree in the middle of the field we were at. A very interesting
sight. I don't see that too often.
The Pinery.
Heritage Trail... 2 Pileateds, 2 Blue-Winged Teal. Some of the edges of the
AuSable R. were open.
Cedar Trail... 15 Bohemian Waxwings across from the platform on the river.
The river was open on this end
2 Bald Eagle, one in full plumage
1 Yellow-Rumped Warbler near the Visitor Centre
1- Pine Siskin at the Admin. offices feeder.
Feeders at the Visitor Centre area were loaded with birds- very nice.
Only 2 trails were open at the time still a good amount of snow there.
Annual Provincial Park Passes have gone up FYI, now up to $128.75 CAN
I think... I will settle for the daily pass this year.
All in all, great day with up to 63 species before the snow hit.
Happy Birding
Ed Lewandowski
Auburn Hills
---------------------------------
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Subject: [birders] RE: White-winged Scoters-phragmites
From: WovenWoman(AT)aol.com
Date: 28 Mar 2008 1:54pm
----INCLUDING text/plain MIME SECTION----
Some phragmites are native, some are not.
_http://www.invasiveplants.net/phragmites/Default.htm_ (http:/
/www.invasiveplants.net/phragmites/Default.htm)
Very hard to get rid of from what I have heard. I notice they have taken
over the area behind PetSmart/Einsteins Bagels on Mercury Drive in Dearborn. In
the past three years the little natural water flow there has dried up bit by
bit as phragmites have filled in and cattails have disappeared. Not sure how
much phragmites contributed to the area drying up, but I am sure Ford Motor
Land Development does not mind.
Namaste,
Edie
In a message dated 3/28/2008 11:09:54 AM Eastern Daylight Time,
winerat(AT)villagecorner.com writes:
Good information Russ. Is that the reed we used to call "fishing poles" when
we were kids on Coldwater Lake in Branch County? Rather dark green. They have
segments and black almost frilly borders on the segments and pull apart
easily? They're very rough and they make a kind of hollow sound when you brush
thru
them?
Sally Scheer
Rogers City MI
Shore of Lake Huron
Presque Isle County
----- Original Message -----
From: _Russell Emmons_ (mailto:birdeland(AT)pasty.net)
To: _birders(AT)umich.edu_ (mailto:birders(AT)umich.edu)
Sent: Friday, March 28, 2008 1:09 AM
Subject: [birders] RE: White-winged Scoters, Marine City
Cendra: Phragmites (aka Common Reeds) are a non-native invasive species. They
are very prolific, spread easily everywhere. They are very detrimental and
choke out very thoroughly almost all normal native species of plants even
Cattails which are beneficial native basic marsh plants. Cattails offer shelter,
nest sites, and even are a food source for many marsh creatures. Some of these
then being food for waterfowl etc.etc. Phragmites are not and where they are,
the habitat is almost barren of most any creatures. I believe, I think,
Phragmites are literally repulsive to many marsh inhabitants. Last years or dead
plants can also be a fire hazard. They can tolerate pollution and the worst of
soil
conditions. They are considered by most just a weed. There are probably
others here who can add more and better to my comments without my searching for
further details and my being overly lengthy.
Purple Loosestrife is another more recent non-native invasive species
causing problems.
Russ Emmons, St. Clair county
----- Original Message -----
From: _Cendra_ (mailto:cendra(AT)digitalrealm.net)
To: _birders(AT)umich.edu_ (mailto:birders(AT)umich.edu)
Sent: Thursday, March 27, 2008 11:43 PM
Subject: [birders] RE: White-winged Scoters, Marine City
I looked up phragmites: any of several tall grasses of the genus Phragmites,
having plumed heads, growing in marshy areas, esp. the common reed P.
australis (or P. communis).
Why is it good that they've been cut?
Cendra Lynn
OWS, A2
____________________________________
From: Russell Emmons [mailto:birdeland(AT)pasty.net]
Sent: Tuesday, March 25, 2008 4:52 PM
To: birders(AT)umich.edu
Subject: [birders] White-winged Scoters, Marine City
I've just posted on umich birders Grove Street album a photo of 1 of 2
White-winged Scoters I spotted WAY out on the St.Clair River yesterday just off
downtown Marine City. The pic is small but discernible. (No digiscope or big
lense.) Sorry about the late post. Also on this jaunt along the river and over
to
the St. Johns Marsh, Anchor Bay, a few other noteworthy species were the
expected Common Mergansers, Buffleheads, Canvasbacks, Redheads, Mallards, Canada
Geese, Swans, Great Blue Heron (only 1) Killdeer (only a few) Ring-billed Gulls,
Red-tail Hawks (2), Rough-legged Hawk, and hundreds of Red-winged Blackbirds,
Grackles, Brown-Headed Cowbirds, Starlings each and I suspected a few Rusty
Blackbirds mixed in the hordes. Conspicuous by their absence were Pied-billed
Grebes and American Coots, Greater-Black Backed Gulls, Bonapartes Gulls!
Spring is just not happening up this way. Today blizzard like conditions,
high winds, more snow! The Belle River, adjoining creeks, the St. Johns
Marsh/St. Clair Flats are still mostly froze over! Anchor Bay mostly also with
many
ice-fisherman still way out there fishing!
We noted still several dead ducks out on the ice floes along our way!
Vast areas of Phragmites have been cut in the marsh by someone. I assume the
DNR? I say Hooray finally! Keep it up there is MUCH more to be done!
Russ Emmons, Casco Twp. St. Clair county
**************Create a Home Theater Like the Pros. Watch the video on AOL
Home.
(http://home.aol.com/diy/home-improvement-eric-stromer?video=15&ncid=aolhom00030000000001)
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Subject: [birders] Re: robins' lifespan (was returning robins)
From: richard.e.chase(AT)comcast.net
Date: 28 Mar 2008 6:44pm
----INCLUDING text/plain MIME SECTION----
Not being an expert on these matters, I may be missing something. But it would
seem to me that average age and population turnover are not the same thing.
They are obviously related, but the time for population turnover is always going
to be larger than the average age. Average means roughly half the birds live
longer. (It would be exactly half if we were talking about the median age.) So
the population can't turn over until those longer-living birds die.
Dick Chase
Ann Arbor
-------------- Original message --------------
From: Pat Turnbull-Office of Research & Sponsored Programs <pawatson(AT)umich.edu>
> I appreciate when people--especially experts-- "set the record straight,"
> so I for one thank Julie for her due diligence on this.
>
> The University of Michigan's Museum of Zoology Animal Diversity web says
> "The longest known lifespan in the wild of an American Robin is 14 years;
> the average lifespan is about 2 years. Only about one quarter of all young
> American robins will survive the summer in which they were born."
>
> Cornell University Ornithology Lab website says "Only 25 percent of those
> fledged young survive to November. From that point on, about half of the
> robins alive in any year will make it to the next. Despite the fact that a
> lucky robin can live to be 14 years old, the entire population turns over
> on average every six years."
>
> This makes me curious about the difference between UM's posted average
> lifespan of 2 years and Cornell's noted "population turnover" every 6
> years. Both websites reference the 1999 book Birds of North America by
> Sallabanks & James, but I noticed that a lot of other websites/publications
> cite a couple of longevity studies by DS Farner (published in the Wilson
> Bulletin in the late 40's), and state that most robins don't survive past 6
> years (i.e., the EPA's American Robin species profile). A 4-year
> difference in what's being stated as the average lifespan seems like a lot.
> Any ideas why the discrepancy?
>
> There's a lot of information out there, and it's not necessarily all the
> same, true. But much of it is based on scientifically documented data. The
> oldest robin on record lived over 13 years, but that doesn't mean it's a
> common occurrence, or even that it happened more than once. The age of the
> oldest banded bird implies--well, nothing really as far as the average
> lifespan. It is what it is: apparently 2-6 years for the 25% who reach
> adulthood. But if the entire population is turning over every 6 years, then
> most of them are NOT making it that long. I'm no expert, and although it is
> really fun to think of the same bird returning many years in a row, I'm
> inclined to go along with the "wet blanket." ;)
>
> --On Thursday, March 27, 2008 8:25 PM -0400 wrote:
>
> > An information sheet published by The Raptor Trust, a wildlife
> > rehabilitation center in New Jersey, lists maximum known ages of wild
> > birds from banding data. The American Robin is listed at 13 years.
>
>
>
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>
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Subject: [birders] Bird longevity
From: Julie Craves <jcraves(AT)umd.umich.edu>
Date: 28 Mar 2008 3:20pm
I think there tends to be a bit of generalization or "rounding off" in
some of the popular literature.
North American longevity records are based on banding data, and updated
fairly regularly at the USGS Bird Banding Lab web site:
http://www.pwrc.usgs.gov/BBL/homepage/longvrec.htm
They calculate age based on how old the bird was when it was banded (if
known; based on a June hatching date). The oldest robin in their files
is 13 years, 11 months old (hence, frequently rounded to 14 years).
I also have RRBO's longevity records online; I calculate as time between
captures:
http://www.umd.umich.edu/dept/rouge_river/longevity.html
My oldest robin had 6 years, 1 month between captures.
Here is the actual way the life span and survivorship were calculated,
from the Birds of North America:
"On the basis of 855 records of banding returns and assuming that
population was stable, Farner (1945, 1949) estimated that the average
young T. m. migratorius surviving until 1 Nov or 1 Jan will live another
1.7 yr and that there is 52%/yr (6%/mo) mortality in all age cohorts
after age of 6 mo. Thus, within 6 yr there is a nearly complete turnover
in population. Survival estimates for areas west of Michigan were
somewhat lower."
Disclaimer: Pat is a co-worker, but I did not pay her for her nice
comments. In fact, we only deal with each other when I am screwing up a
grant application, which probably makes it more likely she'd think I was
a dingaling than an expert! Thanks, Pat!
> I appreciate when people--especially experts-- "set the record straight,"
> so I for one thank Julie for her due diligence on this.
>
> The University of Michigan's Museum of Zoology Animal Diversity web says
> "The longest known lifespan in the wild of an American Robin is 14 years;
> the average lifespan is about 2 years. Only about one quarter of all young
> American robins will survive the summer in which they were born."
>
> Cornell University Ornithology Lab website says "Only 25 percent of those
> fledged young survive to November. From that point on, about half of the
> robins alive in any year will make it to the next. Despite the fact that a
> lucky robin can live to be 14 years old, the entire population turns over
> on average every six years."
>
> This makes me curious about the difference between UM's posted average
> lifespan of 2 years and Cornell's noted "population turnover" every 6
> years. Both websites reference the 1999 book Birds of North America by
> Sallabanks & James, but I noticed that a lot of other websites/publications
> cite a couple of longevity studies by DS Farner (published in the Wilson
> Bulletin in the late 40's), and state that most robins don't survive past 6
> years (i.e., the EPA's American Robin species profile). A 4-year
> difference in what's being stated as the average lifespan seems like a lot.
> Any ideas why the discrepancy?
>
> There's a lot of information out there, and it's not necessarily all the
> same, true. But much of it is based on scientifically documented data. The
> oldest robin on record lived over 13 years, but that doesn't mean it's a
> common occurrence, or even that it happened more than once. The age of the
> oldest banded bird implies--well, nothing really as far as the average
> lifespan. It is what it is: apparently 2-6 years for the 25% who reach
> adulthood. But if the entire population is turning over every 6 years, then
> most of them are NOT making it that long. I'm no expert, and although it is
> really fun to think of the same bird returning many years in a row, I'm
> inclined to go along with the "wet blanket." ;)
--
Julie A. Craves
Rouge River Bird Observatory
University of Michigan-Dearborn
Dearborn, MI 48128
http://www.rrbo.org
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Subject: [birders] Re: bluebird house/nest transplant question
From: "Russell Emmons" <birdeland(AT)pasty.net>
Date: 28 Mar 2008 4:06pm
I agree! I have done the same in the past much to my regret!
Russ Emmons
----- Original Message -----
From: "Penny" <Jumpthroughhoops(AT)yahoo.com>
To: <birders(AT)umich.edu>
Sent: Friday, March 28, 2008 1:02 PM
Subject: [birders] Re: bluebird house/nest transplant question
>I wouldn't throw out the nest in the old box. You may never see bluebirds
> there again. One spring, in March, I removed what I thought was an "old"
> chickadee nest from a birdhouse they had used the year before.
> Apparently, it was not an old nest but a new one, and the chickadees have
> never returned to that nest box in subsequent years. Now, I remove old
> nests in the fall.
>
> ---
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Subject: [birders] RE: White-winged Scoters, Marine City
From: jeberry(AT)umich.edu
Date: 28 Mar 2008 4:16pm
Sally, et. al --
Phragmites is the stuff you see along TOO MANY roads that looks like
tall grass with a bushy top. It's VERY invasive, and cutting it down
really doesn't do anything to stop its underground rhizome
proliferation. Bad stuff.
Jan B
Quoting Sally K Scheer <winerat(AT)villagecorner.com>:
> Good information Russ. Is that the reed we used to call "fishing
> poles" when we were kids on Coldwater Lake in Branch County? Rather
> dark green. They have segments and black almost frilly borders on the
> segments and pull apart easily? They're very rough and they make a
> kind of hollow sound when you brush thru them?
>
>
> Sally Scheer
> Rogers City MI
> Shore of Lake Huron
> Presque Isle County
>
>
> ----- Original Message -----
> From: Russell Emmons
> To: birders(AT)umich.edu
> Sent: Friday, March 28, 2008 1:09 AM
> Subject: [birders] RE: White-winged Scoters, Marine City
>
>
> Cendra: Phragmites (aka Common Reeds) are a non-native invasive
> species. They are very prolific, spread easily everywhere. They are
> very detrimental and choke out very thoroughly almost all normal
> native species of plants even Cattails which are beneficial native
> basic marsh plants. Cattails offer shelter, nest sites, and even are
> a food source for many marsh creatures. Some of these then being food
> for waterfowl etc.etc. Phragmites are not and where they are, the
> habitat is almost barren of most any creatures. I believe, I think,
> Phragmites are literally repulsive to many marsh inhabitants. Last
> years or dead plants can also be a fire hazard. They can tolerate
> pollution and the worst of soil conditions. They are considered by
> most just a weed. There are probably others here who can add more and
> better to my comments without my searching for further details and my
> being overly lengthy.
> Purple Loosestrife is another more recent non-native invasive
> species causing problems.
>
> Russ Emmons, St. Clair county
> ----- Original Message -----
> From: Cendra
> To: birders(AT)umich.edu
> Sent: Thursday, March 27, 2008 11:43 PM
> Subject: [birders] RE: White-winged Scoters, Marine City
>
>
> I looked up phragmites: any of several tall grasses of the genus
> Phragmites, having plumed heads, growing in marshy areas, esp. the
> common reed P. australis (or P. communis).
>
> Why is it good that they've been cut?
>
> Cendra Lynn
> OWS, A2
>
>
>
> ----------------------------------------------------------------------------
> From: Russell Emmons [mailto:birdeland(AT)pasty.net]
> Sent: Tuesday, March 25, 2008 4:52 PM
> To: birders(AT)umich.edu
> Subject: [birders] White-winged Scoters, Marine City
>
>
> I've just posted on umich birders Grove Street album a photo of
> 1 of 2 White-winged Scoters I spotted WAY out on the St.Clair River
> yesterday just off downtown Marine City. The pic is small but
> discernible. (No digiscope or big lense.) Sorry about the late post.
> Also on this jaunt along the river and over to the St. Johns Marsh,
> Anchor Bay, a few other noteworthy species were the expected Common
> Mergansers, Buffleheads, Canvasbacks, Redheads, Mallards, Canada
> Geese, Swans, Great Blue Heron (only 1) Killdeer (only a few)
> Ring-billed Gulls, Red-tail Hawks (2), Rough-legged Hawk, and
> hundreds of Red-winged Blackbirds, Grackles, Brown-Headed Cowbirds,
> Starlings each and I suspected a few Rusty Blackbirds mixed in the
> hordes. Conspicuous by their absence were Pied-billed Grebes and
> American Coots, Greater-Black Backed Gulls, Bonapartes Gulls!
> Spring is just not happening up this way. Today blizzard like
> conditions, high winds, more snow! The Belle River, adjoining creeks,
> the St. Johns Marsh/St. Clair Flats are still mostly froze over!
> Anchor Bay mostly also with many ice-fisherman still way out there
> fishing!
> We noted still several dead ducks out on the ice floes along our way!
> Vast areas of Phragmites have been cut in the marsh by someone. I
> assume the DNR? I say Hooray finally! Keep it up there is MUCH more
> to be done!
>
> Russ Emmons, Casco Twp. St. Clair county
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[ << | >> | ^^ ]
Subject: [birders] Re: Bird longevity
From: "Bruce M. Bowman" <bbowman99(AT)comcast.net>
Date: 28 Mar 2008 4:34pm
Julie-
I want you to know that you've set a new record for the most uses of the
word dingaling in a single post to 'birders'.
Bruce
Date sent: Fri, 28 Mar 2008 15:20:52 -0400
From: Julie Craves <jcraves(AT)umd.umich.edu>
Organization: University of Michigan- Dearborn
To: birders(AT)umich.edu
Subject: [birders] Bird longevity
Send reply to: Julie Craves <jcraves(AT)umd.umich.edu>
> I think there tends to be a bit of generalization or "rounding off" in
> some of the popular literature.
>
> North American longevity records are based on banding data, and updated
> fairly regularly at the USGS Bird Banding Lab web site:
> http://www.pwrc.usgs.gov/BBL/homepage/longvrec.htm
>
> They calculate age based on how old the bird was when it was banded (if
> known; based on a June hatching date). The oldest robin in their files is
> 13 years, 11 months old (hence, frequently rounded to 14 years).
>
> I also have RRBO's longevity records online; I calculate as time between
> captures: http://www.umd.umich.edu/dept/rouge_river/longevity.html
>
> My oldest robin had 6 years, 1 month between captures.
>
> Here is the actual way the life span and survivorship were calculated,
> from the Birds of North America: "On the basis of 855 records of banding
> returns and assuming that population was stable, Farner (1945, 1949)
> estimated that the average young T. m. migratorius surviving until 1 Nov
> or 1 Jan will live another 1.7 yr and that there is 52%/yr (6%/mo)
> mortality in all age cohorts after age of 6 mo. Thus, within 6 yr there is
> a nearly complete turnover in population. Survival estimates for areas
> west of Michigan were somewhat lower."
>
> Disclaimer: Pat is a co-worker, but I did not pay her for her nice
> comments. In fact, we only deal with each other when I am screwing up a
> grant application, which probably makes it more likely she'd think I was a
> dingaling than an expert! Thanks, Pat!
>
> > I appreciate when people--especially experts-- "set the record
> > straight," so I for one thank Julie for her due diligence on this.
> >
> > The University of Michigan's Museum of Zoology Animal Diversity web says
> > "The longest known lifespan in the wild of an American Robin is 14
> > years; the average lifespan is about 2 years. Only about one quarter of
> > all young American robins will survive the summer in which they were
> > born."
> >
> > Cornell University Ornithology Lab website says "Only 25 percent of
> > those fledged young survive to November. From that point on, about half
> > of the robins alive in any year will make it to the next. Despite the
> > fact that a lucky robin can live to be 14 years old, the entire
> > population turns over on average every six years."
> >
> > This makes me curious about the difference between UM's posted average
> > lifespan of 2 years and Cornell's noted "population turnover" every 6
> > years. Both websites reference the 1999 book Birds of North America by
> > Sallabanks & James, but I noticed that a lot of other
> > websites/publications cite a couple of longevity studies by DS Farner
> > (published in the Wilson Bulletin in the late 40's), and state that most
> > robins don't survive past 6 years (i.e., the EPA's American Robin
> > species profile). A 4-year difference in what's being stated as the
> > average lifespan seems like a lot. Any ideas why the discrepancy?
> >
> > There's a lot of information out there, and it's not necessarily all the
> > same, true. But much of it is based on scientifically documented data.
> > The oldest robin on record lived over 13 years, but that doesn't mean
> > it's a common occurrence, or even that it happened more than once. The
> > age of the oldest banded bird implies--well, nothing really as far as
> > the average lifespan. It is what it is: apparently 2-6 years for the 25%
> > who reach adulthood. But if the entire population is turning over every
> > 6 years, then most of them are NOT making it that long. I'm no expert,
> > and although it is really fun to think of the same bird returning many
> > years in a row, I'm inclined to go along with the "wet blanket." ;)
>
>
> --
> Julie A. Craves
> Rouge River Bird Observatory
> University of Michigan-Dearborn
> Dearborn, MI 48128
>
> http://www.rrbo.org
>
> ---
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>
------------------------------------
Bruce M. Bowman
Ann Arbor, Michigan USA
Washtenaw Co., southeast Michigan
bbowman99(AT)comcast.net
http://www.umich.edu/~bbowman/birds
---
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[ << | >> | ^^ ]
Subject: [birders] FW: Re: robins' lifespan (was returning robins)
From: "Cendra" <cendra(AT)digitalrealm.net>
Date: 28 Mar 2008 4:37pm
Average lifespan of two years and entire population turnover of six years is
a stretch, but certainly not statistically impossible. You only need a few
birds living six years or over to stretch out that entire population.
Average doesn't indicate the spread. Median would be a little more useful.
But neither statistic can predict the other.
Cendra Lynn
OWS, A2
-----Original Message-----
From: Pat Turnbull-Office of Research & Sponsored Programs
[mailto:pawatson(AT)umich.edu]
Sent: Friday, March 28, 2008 12:51 PM
To: birders(AT)umich.edu
Subject: [birders] Re: robins' lifespan (was returning robins)
I appreciate when people--especially experts-- "set the record straight,"
so I for one thank Julie for her due diligence on this.
The University of Michigan's Museum of Zoology Animal Diversity web says
"The longest known lifespan in the wild of an American Robin is 14 years;
the average lifespan is about 2 years. Only about one quarter of all young
American robins will survive the summer in which they were born."
Cornell University Ornithology Lab website says "Only 25 percent of those
fledged young survive to November. From that point on, about half of the
robins alive in any year will make it to the next. Despite the fact that a
lucky robin can live to be 14 years old, the entire population turns over on
average every six years."
This makes me curious about the difference between UM's posted average
lifespan of 2 years and Cornell's noted "population turnover" every 6 years.
Both websites reference the 1999 book Birds of North America by Sallabanks &
James, but I noticed that a lot of other websites/publications cite a couple
of longevity studies by DS Farner (published in the Wilson Bulletin in the
late 40's), and state that most robins don't survive past 6 years (i.e., the
EPA's American Robin species profile). A 4-year difference in what's being
stated as the average lifespan seems like a lot.
Any ideas why the discrepancy?
There's a lot of information out there, and it's not necessarily all the
same, true. But much of it is based on scientifically documented data. The
oldest robin on record lived over 13 years, but that doesn't mean it's a
common occurrence, or even that it happened more than once. The age of the
oldest banded bird implies--well, nothing really as far as the average
lifespan. It is what it is: apparently 2-6 years for the 25% who reach
adulthood. But if the entire population is turning over every 6 years, then
most of them are NOT making it that long. I'm no expert, and although it is
really fun to think of the same bird returning many years in a row, I'm
inclined to go along with the "wet blanket." ;)
--On Thursday, March 27, 2008 8:25 PM -0400 <birders> wrote:
> An information sheet published by The Raptor Trust, a wildlife
> rehabilitation center in New Jersey, lists maximum known ages of wild
> birds from banding data. The American Robin is listed at 13 years.
---
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[ << | >> | ^^ ]
Subject: [birders] RE: White-winged Scoters, Marine City
From: "Harry and Elnora Wallin" <owltalker(AT)centurytel.net>
Date: 28 Mar 2008 5:16pm
This is a multi-part message in MIME format.
----INCLUDING text/plain MIME SECTION----
It sounds like what you are talking about is what is commonly called =
"scouring rushes" which rarely gets more than 2 feet tall. The scouring =
rushes are actually a species of horsetail (Equisetum). Scouring rushes =
are native. Anyone who plays a double-reed musical instrument may well =
be familiar with the sections of scouring rush which are dried and sold =
to sand the reeds in order to fine-tune them. =20
Harry Wallin
Sunfield Township,
Northwest corner of Eaton County, MI
----- Original Message -----=20
From: Sally K Scheer=20
To: birders(AT)umich.edu=20
Sent: Friday, March 28, 2008 9:59 AM
Subject: [birders] RE: White-winged Scoters, Marine City
Good information Russ. Is that the reed we used to call "fishing =
poles" when we were kids on Coldwater Lake in Branch County? Rather dark =
green. They have segments and black almost frilly borders on the =
segments and pull apart easily? They're very rough and they make a kind =
of hollow sound when you brush thru them?
Sally Scheer
Rogers City MI
Shore of Lake Huron
Presque Isle County
----- Original Message -----=20
From: Russell Emmons=20
To: birders(AT)umich.edu=20
Sent: Friday, March 28, 2008 1:09 AM
Subject: [birders] RE: White-winged Scoters, Marine City
Cendra: Phragmites (aka Common Reeds) are a non-native invasive =
species. They are very prolific, spread easily everywhere. They are very =
detrimental and choke out very thoroughly almost all normal native =
species of plants even Cattails which are beneficial native basic marsh =
plants. Cattails offer shelter, nest sites, and even are a food source =
for many marsh creatures. Some of these then being food for waterfowl =
etc.etc. Phragmites are not and where they are, the habitat is almost =
barren of most any creatures. I believe, I think, Phragmites are =
literally repulsive to many marsh inhabitants. Last years or dead plants =
can also be a fire hazard. They can tolerate pollution and the worst of =
soil conditions. They are considered by most just a weed. There are =
probably others here who can add more and better to my comments without =
my searching for further details and my being overly lengthy.
Purple Loosestrife is another more recent non-native invasive =
species causing problems.
Russ Emmons, St. Clair county
----- Original Message -----=20
From: Cendra=20
To: birders(AT)umich.edu=20
Sent: Thursday, March 27, 2008 11:43 PM
Subject: [birders] RE: White-winged Scoters, Marine City
I looked up phragmites: any of several tall grasses of the genus =
Phragmites, having plumed heads, growing in marshy areas, esp. the =
common reed P. australis (or P. communis).=20
Why is it good that they've been cut?
Cendra Lynn
OWS, A2
-------------------------------------------------------------------------=
-
From: Russell Emmons [mailto:birdeland(AT)pasty.net]=20
Sent: Tuesday, March 25, 2008 4:52 PM
To: birders(AT)umich.edu
Subject: [birders] White-winged Scoters, Marine City
I've just posted on umich birders Grove Street album a photo of =
1 of 2 White-winged Scoters I spotted WAY out on the St.Clair River =
yesterday just off downtown Marine City. The pic is small but =
discernible. (No digiscope or big lense.) Sorry about the late post. =
Also on this jaunt along the river and over to the St. Johns Marsh, =
Anchor Bay, a few other noteworthy species were the expected Common =
Mergansers, Buffleheads, Canvasbacks, Redheads, Mallards, Canada Geese, =
Swans, Great Blue Heron (only 1) Killdeer (only a few) Ring-billed =
Gulls, Red-tail Hawks (2), Rough-legged Hawk, and hundreds of Red-winged =
Blackbirds, Grackles, Brown-Headed Cowbirds, Starlings each and I =
suspected a few Rusty Blackbirds mixed in the hordes. Conspicuous by =
their absence were Pied-billed Grebes and American Coots, Greater-Black =
Backed Gulls, Bonapartes Gulls!
Spring is just not happening up this way. Today blizzard like =
conditions, high winds, more snow! The Belle River, adjoining creeks, =
the St. Johns Marsh/St. Clair Flats are still mostly froze over! Anchor =
Bay mostly also with many ice-fisherman still way out there fishing!
We noted still several dead ducks out on the ice floes along =
our way!
Vast areas of Phragmites have been cut in the marsh by someone. I =
assume the DNR? I say Hooray finally! Keep it up there is MUCH more to =
be done!
Russ Emmons, Casco Twp. St. Clair county
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resubscribe use SUBSCRIBE BIRDERS Your Name.=20
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line. To
resubscribe use SUBSCRIBE BIRDERS Your Name.=20
-------------------------------------------------------------------------=
-----
No virus found in this incoming message.
Checked by AVG.=20
Version: 7.5.519 / Virus Database: 269.22.1/1347 - Release Date: =
3/27/2008 7:15 PM
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----DELETED text/html MIME SECTION----
[ << | >> | ^^ ]
Subject: [birders] Loons (still)
From: joe4birds(AT)2020comm.net
Date: 28 Mar 2008 5:45pm
----INCLUDING text/plain MIME SECTION----
The two common loons were still on west end of Barton Dam pond this morning=
at 11:00am. Cathy, Patty and I had great looks in the sunshine. They eve=
n called a couple times while we were there. Also, two Eastern Phoebes and=
Tree Swallows. We went in from third pullout west of dam (one with teleph=
one pole in turnout). All the regular suspects were there and many more Am=
erican Wigeons than I've seen prior.
=20
G'day and G'birding
Joe Prochaska
Dexter
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[ << | >> | ^^ ]
Subject: [birders] Phragmites=bad stuff
From: ruttabacki(AT)aol.com
Date: 28 Mar 2008 9:45pm
----INCLUDING text/plain MIME SECTION----
Birders,
I went out and measured.? Sixty feet to the nearest phragmites from my clump of
Day Lilies that has been invaded by the phragmites.? These are not seeded
phragmites?but the underground rhizomes that have pushed up through the long
established clump of Day Lilies.? Those rhizomes traveled from the North Marsh
at Metro Beach: under the street ditch, under the asphalt of the street, under
the rocks of our parking area, under the very conventional lawn maintained by a
company (read between the lines to know what that means), under the rock mulch.?
Those rhizomes found that one vulnerable spot and attacked.? I have tried
pulling and digging.? My only recourse is to dig up the Day Lilies.? Dig down
and put down multiple layers of weed stop paper and then replant the lilies.? I
guess the Day Lilies?wanted to be divided anyway.
Marcia Kubacki
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BIRDxxxx
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