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UMichBirders for Tuesday, March 25, 2008
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Subject: [birders] local robins back
From: "Cendra" <cendra(AT)digitalrealm.net>
Date: 25 Mar 2008 12:16am
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Another report from the Old West Side: OUR robins have returned. They were
singing antiphonal responses to each other from trees on either side of the
street. Our robin from last year returned, and a new one has moved in, as
well. The new one is one whose call I've never heard before, so he probably
was not fledged here. But they both sounded very pleased with themselves,
so I guess they're each feeling they have enough territory.
Cendra Lynn
---
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Subject: [birders] The Owl's Gift
From: jeanpanyard(AT)aol.com
Date: 25 Mar 2008 8:50am
----INCLUDING text/plain MIME SECTION----
?
A great horned owl perched momentarily in the walnut outside my window last
night - Farmington Hills. The owl was pointed out to me by my son, 15, who
claims he has no interest in birding, and "hey mom what kind of bird is
that......where's your book?
?
:-)
?
---
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Subject: [birders] grackles
From: Sherri Smith <grackle(AT)umich.edu>
Date: 25 Mar 2008 9:07am
I suspect that grackles only kill other birds when they are raising
young and plan to feed the sparrows or whatever to them. They raid
nests for the same purpose.
Sherri Smith
---
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Subject: [birders] Bird opportunity for teachers in Washtenaw County
From: ddarm(AT)umich.edu
Date: 25 Mar 2008 10:16am
Dear Birders,
Especially those who are school teachers or who know teachers,
Washtenaw Audubon Society was awarded a grant to prepare a workshop for
teachers who would be interested in incorporating some content about
birds and birding into their curriculum. Francie Krawcke and I have
come up with an amazing day (APRIL 19)of learning about birds for
teachers and we have gotten the Michigan State Board of Education to
approve continuing education credits (a total of 0.7) for the course.
There is no fee for this course other than the $10 it takes to register
the SB-CEU credits. All workshop participants will be provided with a
wonderful list of resources both national and local. We will also be
providing the National Audubon "Things with Wings Kits" to teachers who
teach in Washtenaw County.
If you know of any teachers who might be interested in this course,
please email me so that I can send you (or them) a schedule and a flyer
that you can send along to them. I have also posted a partial flyer
below my signature if you wanted to forward that. Thanks very much.
Dea
****************************************************
Deaver D. Armstrong
Education Chairperson
Washtenaw Audubon Society
Ann Arbor, MI 48103
734-668-2513
****************************************************
Washtenaw Audubon Society has been given a grant to provide a course
about birds and birding to teachers in Washtenaw County, especially
those areas where bird diversity is high, like Manchester, Lyndon and
Sylvan Townships. While we hope to reach out to those communities in
particular, we welcome all teachers. The course is an approved SB-CEU
Program and will give the participant 0.7 credits.
COURSE DATE: Saturday, April 19, 2008
Experts (ornithologists and environmental educators) from the Washtenaw
Audubon Society and from the Leslie Science and Nature Center (LSNC)
want to help you and your students get to know birds better. Thanks to
a grant from the Michigan Audubon Society we are able to provide free*
of cost a one-day workshop in April, useful to teachers of all grade
levels. This course will give you all the tools and resources you need
to easily introduce your students to the world of birds! The course
will take place at the LSNC in Ann Arbor and participants will be able
to closely observe live birds of prey (eagles, owls, falcons) as LSNC’s
raptor specialist uses them to demonstrate bird biology and physiology
basics. Upon completion of the course, Washtenaw Audubon Society will
provide you with a mentor contact (many who are current or former
teachers themselves) who will be available, should you desire, to
advise you over the next year on any aspects of a bird conservation or
bird education program that you would like (teacher, field trip or
classroom support).
INTERESTED? Please let us reserve a spot for you and send you a
schedule! See
https://www2.wash.k12.mi.us/achieveinit/sds/staffdev/SectionDisplay.asp?SectionID=3032&AlreadyRegistered=0 for more information or look up April Science Courses on the SB-CEU web site at
http://www.solutionwhere.com/mi_sbceu/main.asp
TO REGISTER: Email: ddarm(AT)umich.edu (include BIRD ECOLOGY COURSE in
the subject line)
OR
Telephone: 734-668-2513 and leave a clear message with your name and
phone number and a good time to return a call to you. Please register
by April 12th.
COST TO YOU: *Only a $ 10 fee to register your SB-CEU credits
PROVIDED: Coffee, tea, sodas, a light lunch, and snacks and list of
local resources and for Washtenaw County teachers, a “THINGS WITH
WINGS” kit from the National Audubon Society to use in your classroom.
---
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Subject: [birders] RE: Late Redpolls
From: "Heather Slayton" <hslayton(AT)comcast.net>
Date: 25 Mar 2008 10:33am
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I've been silently jealous of Fred who lives just a couple of miles from me
reporting seeing Redpolls at his feeders when I've never seen any....
*sniff* Well, finally, for the past few days I've had a couple on my
thistle sock along with my Goldfinches. Yippee! Seems late to me as well but
I'm sure glad to see them in my yard.......
Heather Slayton
Warren, MI
"Life is not measured by the number of breaths we take but by the moments
that take our breath away"
-----Original Message-----
From: Fred Kaluza [mailto:fkaluza(AT)sbcglobal.net]
Sent: Monday, March 24, 2008 9:46 PM
To: birders(AT)umich.edu
Subject: [birders] RE: Late Redpolls
I had 6 on Saturday. Down from a peak of 20’s a few weeks
ago.
----------------------------------------------------------------------------
--
From: LaHaie, Ivan J. [mailto:ivan.lahaie(AT)gd-ais.com]
Sent: Monday, March 24, 2008 8:17 AM
To: birders(AT)umich.edu
Subject: [birders] Late Redpolls
Does anyone else still have redpolls hanging around? I had several at my
feeders over the weekend. This seems very late in the season to me.
Ivan
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Subject: [birders] Shiawassee National Wildlife Refuge - WPBO trip
From: Steve_Kahl(AT)fws.gov
Date: 25 Mar 2008 10:38am
Whitefish Point Bird Observatory took their annual birding auto tour at
Shiawassee National Wildlife Refuge on March 22. Many thanks to Jerry
Ziarno for guiding the tour. The refuge's wetland impoundments are still
mostly frozen and the day was cold. However, spring is underway and many
migrants were found. The complete list included:
greater white-fronted goose - 4
snow goose - 6
Canada goose - 1000s (16,000 counted by staff earlier in the week)
tundra swan - 60
gadwall - 2
American wigeon - 2
American black duck - 50
mallard - 100s
northern pintail - 25
green-winged teal - 12
canvasback - 20
redhead - 100+
ring-necked duck - 60
lesser scaup - 30
bufflehead - 4
common goldeneye - 2
hooded merganser - 13
common merganser - 50
ruddy duck - 2
bald eagle - 9
northern harrier - 2
red-tailed hawk - 7
rough-legged hawk - 2
American coot - 12
sandhill crane - 1
killdeer - 1
ring-billed gull - 100s
rock pigeon - 8
mourning dove - 20
blue jay - 4
American crow - 50
horned lark - 50
black-capped chickadee - 2
European starling
American tree sparrow - 30
song sparrow - 8
dark-eyed junco - 6
northern cardinal - 2
red-winged blackbird - 100s
common grackle - 50
house sparrow - 2
Steven Kahl
Refuge Manager
Shiawassee National Wildlife Refuge
6975 Mower Road
Saginaw, MI 48601-9783
P (989) 777-5930 ext 16
F (989) 777-9200
http://www.fws.gov/midwest/shiawassee/
---
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Subject: [birders] Re: local robins back - long, science-y
From: Julie Craves <jcraves(AT)umd.umich.edu>
Date: 25 Mar 2008 11:13am
I don't like to be a wet blanket, but I would like to place in factual
context, a recent message regarding site fidelity in robins.
It is possible that a robin in a given site today may be one that nested
at that site in a previous year, as adults have fairly high site
fidelity to breeding areas. However, they also have fairly high
mortality, averaging 6% a month (it is higher in young birds, with only
25% surviving from fledging to Nov 1 of their natal year). A robin
surviving its first winter is estimated to live less than 2 years.
This data is based on several studies, but, as they say "your mileage
may vary." However, it serves to illustrate that a robin MAY be the same
bird as a previous year, but it is far, far from certain. Furthermore,
this site fidelity applies a nesting bird, not a bird that has shown up
in the beginning stages of migration. Birds that sing from the same
perch, or nest in the same tree, or behave in similar manners cannot be
judged to be the same bird based on those observations for the simple
reason that birds of the same species are likely to find the same
features attractive, especially in simplified landscapes such as urban
areas.
And while I admit to having a tin ear and admiration for those who are
more able to distinguish melodies better than I can, without the aid of
sonograms or intense study I do not believe the vast majority of people
are able to identify individual robins by song alone. The premier bird
vocalization expert, Don Kroodsma, devotes 13 pages to the analysis of
one robin's song in his book "The Singing Life of Birds." He uses an
elaborate system to detail the elements of this robin's song, and even
with his trained ear and determination is challenged by it. He notes
that robins have 75 to 100 variations on a particular phrase, but that
they are "inseparable by the best of human ears." Complicating matters
is the fact that neighboring robins use some of the same phrases. So
again, it may be possible to determine a robin's identity by song, but
for the average person it is far from certain.
The one way to be certain a bird is "who" you think it is is individual
marking (unless there is some outstanding, unique physical
characteristic in a particular bird). As someone who has banded
thousands of birds in my own back yard and tens of thousands at my study
site at UM-Dearborn, I can tell you that there is great turnover even
for birds that are essentially resident such as Downy Woodpeckers or
chickadees. This turnover is seasonal, monthly, and even daily and hourly.
In conclusion, Cendra's robin may be "her" robin. It is a (perhaps good)
possibility, but likely not a probability, and there is no way to be
certain of it based on the evidence provided.
Disclaimer: This is not a slam to her or anybody else out there, just a
reminder to not state things with certainty without verifiable facts.
Especially about birds, because I feel it's my job to clarify!
> Another report from the Old West Side: OUR robins have returned. They were
> singing antiphonal responses to each other from trees on either side of the
> street. Our robin from last year returned, and a new one has moved in, as
> well. The new one is one whose call I've never heard before, so he probably
> was not fledged here. But they both sounded very pleased with themselves,
> so I guess they're each feeling they have enough territory.
>
> Cendra Lynn
--
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: The Owl's Gift
From: "Sally K Scheer" <winerat(AT)villagecorner.com>
Date: 25 Mar 2008 11:19am
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Hah!! Gotcha kid!! He's hooked and just doesn't know it yet.
Sally Scheer
Rogers City MI
Shore of Lake Huron
Presque Isle County
----- Original Message -----=20
From: jeanpanyard(AT)aol.com=20
To: birders(AT)umich.edu=20
Sent: Tuesday, March 25, 2008 8:50 AM
Subject: [birders] The Owl's Gift
=20
A great horned owl perched momentarily in the walnut outside my window =
last night - Farmington Hills. The owl was pointed out to me by my son, =
15, who claims he has no interest in birding, and "hey mom what kind of =
bird is that......where's your book?
:-)
-------------------------------------------------------------------------=
-----
Planning your summer road trip? Check out AOL Travel Guides.=20
--- * birders FAQ - =
http://www.umich.edu/~bbowman/birds/birders_FAQ.html * photo sharing =
site - http://www.umich.edu/~bbowman/birds/se_mich/photos.html * To =
unsubscribe from birders(AT)umich.edu send a blank message to =
lyris(AT)listserver.itd.umich.edu with UNSUBSCRIBE BIRDERS as the Subject =
line. To resubscribe use SUBSCRIBE BIRDERS Your Name.
---
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----DELETED text/html MIME SECTION----
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Subject: [birders] Sharp Shinned and Red Tail Hawks are enjoying my
yard.
From: "Janet Hug" <jkissnhug(AT)comcast.net>
Date: 25 Mar 2008 11:58am
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----INCLUDING text/plain MIME SECTION----
I have posted a few photos of the local hawks that are frequenting my =
back
and front yards.=20
=20
Yesterday afternoon, a sharp shinned hawk was out in the front yard =
hunting
the undercarriage of my car. It had landed in the middle of the front =
lawn,
and walked 30 ft to the Jeep, looked all around, hopped into the
undercarriage, and took off after about 10 minutes of no bird activity.
=20
The Red Tail was from last week, where it landed on my fence post, and =
was
searching for prey, too. The chipmunks have emerged from winter slumber, =
and
went into deep hiding when this magnificent bird arrived on site. A red =
tail
hawk had captured a mallard duck last week, however, was startled before =
it
could finish the job, and they both flew off in opposite directions, the
duck unharmed, and the hawk hungry.
=20
Janet
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Subject: [birders] Redpolls
From: "Lee Burton" <leejburton(AT)charter.net>
Date: 25 Mar 2008 12:06pm
A large flock of redpolls is hanging around in some trees and feeders on
Community Drive just east of Chilson Road in Hamburg Township. There may
have been as many as 100 birds in the flock. Community Drive is just north
of Winans Drive which is just north of Winans Lake Road. Look for a stone
ranch house about 4 or 5 houses off of Chilson on the north side of
Community Drive. The feeders there were filled with redpolls. Yesterday we
had one redpoll at our feeder and our albino siskin visits our feeders
daily.
---
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Subject: [birders] test,please delete
From: ddarm(AT)umich.edu
Date: 25 Mar 2008 12:25pm
****************************************************
Deaver D. Armstrong
City Ornithologist
Natural Area Preservation Division City of Ann Arbor Department Park
Operations
1831 Traver Road
Ann Arbor, MI 48105
734-996-3266
****************************************************
---
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Subject: [birders] Re: grackles
From: "Sally K Scheer" <winerat(AT)villagecorner.com>
Date: 25 Mar 2008 12:39pm
Then why have some here reported finding mutilated bodies and headless
corpses they attribute to grackles? I'd say there's a lot more violence in
the natural world than we humans are comfortable acknowledging.
Right this minute, I'm watching a mini-herd of deer. Three of them are
younger ones if their size is any guide. The fourth is an older adult. She
repeatedly rears up on her hind feet and attacks the younger ones to chase
them away from the spray of corn I've spread out for them. Is it likely that
she's pregnant and trying to send her last year's offspring away before the
new one(s) arrive or is she just exercising her rights as head of the herd?
Sally Scheer
Rogers City MI
Shore of Lake Huron
Presque Isle County
----- Original Message -----
From: "Sherri Smith" <grackle(AT)umich.edu>
To: <birders(AT)umich.edu>
Sent: Tuesday, March 25, 2008 9:07 AM
Subject: [birders] grackles
>I suspect that grackles only kill other birds when they are raising young
>and plan to feed the sparrows or whatever to them. They raid nests for
>the same purpose.
> Sherri Smith
>
> ---
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>
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Subject: [birders] OT: weather sites
From: "Bruce M. Bowman" <bbowman99(AT)comcast.net>
Date: 25 Mar 2008 2:02pm
I asked Dave Sing for "best weather web sites" and he sent me some great
information. I asked him if I could forward his message to the list and
he said yes, so here it is.
I've put links to these sites at
http://www.umich.edu/~bbowman/birds/se_mich/links.html#weather
but be sure to read Dave's comments below.
Bruce
>Date sent: Mon, 24 Mar 2008 10:22:16 -0400
>To: bbowman99(AT)comcast.net
>From: Dave Sing <dsing(AT)umich.edu>
>Subject: Re: weather site
>
> > Bruce; One can't go wrong with the NOAA NWS home
> > page. http://www.nws.noaa.gov/
> > Click on a region, then click again for a 'point' forecast. Once you
> > go regional there are a list of links along the left side that offer a
> > slew of information. There's also an interpretive map system with
> > tabs that include a tab for 'Forecast Graphics'. This feature will
> > give you precip amount estimates in 6 and 12 hour time frames.
> >
> > Regional site for Detroit:
> > http://www.crh.noaa.gov/dtx/
> >
> > To delve a little deeper try the HPC (Hydrometerological Prediction
> > Center) from the NWS. Here, they chart the QPF (Quantifiable
> > Precipitation Forecast) on national maps. The QPF shows precip
> > estimates for 24 hour periods. The HPC site is a wee bit more
> > technical than the NOAA NWS home page but it's very handy and has lots
> > more interpretive forecast maps. http://www.hpc.ncep.noaa.gov/
> >
> > An oldie but a goodie is the Weather Underground, a UM product from
> > the early days of web browsing. They whip up a load of information
> > and have the most flexible and up to real-time radars. I love the
> > radar here, one can zoom right in and it's usually up to real time. I
> > find the site in general to be too busy and wonky for my taste, but
> > it's still real good. Be prepared to navigate.
> > http://www.wunderground.com/
> >
> > For accurate, constantly updated surface maps and loads of great
> > satellite and radar data
> > it's hard to beat the NCAR RAP Real-Time Weather site. One can get
> > all the NEXRAD stations, and the surface maps are updated every 15
> > minutes. I love this site when weather is in progress.
> > http://www.ral.ucar.edu/weather/
> >
> > I try to read the discussions as much as possible - you get a feel for
> > how the forecasters are leaning vis-a-vis the model runs. So,
> > anywhere on any of the NOAA sites you see 'Forecast Discussion' you
> > can get into the minds of the folks actually making the calls on the
> > weather. Each station produces a new discussion every six hours or so,
> > more often when things are happening. The Michigan NOAA discussion
> > site (Choose a region at the top of the page):
> > http://www.weather.gov/view/prodsByState.php?state=MI&prodtype=discuss
> > ion
> >
> > Finally(!) this site is fascinating and has some real useful
> > information for outdoor folks.
> > Requires some navigation.
> > http://www.sailflow.com/windandwhere.iws
> > And this site is lots of fun.
> > http://www.weatherbonk.com/
> >
> > Cheers Dave
> >
> >
> > At 03:27 PM 3/21/2008, you wrote:
> > >Dave-
> > >
> > >What's the best weather web site overall? One thing I want at a web
> > >site is the anticipated amount of precipitation for some period of
> > >time. As far as I can see, I can't get that from weather.com.
> > >Weather.com just tells me the percentage probability of
> > >precipitation. On the radio I'll hear something like "Detroit is
> > >expected to get 2 to 4 inches of snow tonight." Weather.com doesn't
> > >tell me that.
> > >
> > >Bruce
------------------------------------
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] White-winged Scoters, Marine City
From: "Russell Emmons" <birdeland(AT)pasty.net>
Date: 25 Mar 2008 4:52pm
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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] Two Peregrine Falcons at UHospital Ann Arbor 3/25
From: Roger Kuhlman <rkuhlman(AT)hotmail.com>
Date: 25 Mar 2008 6:45pm
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When I was at UM Hospital in Ann Arbor just after 4pm Tuesday afternoon, I =
saw two Peregrine Falcons. Both of them flew around the main hospital build=
ing by the Taubman Center and landed on ledges on the building. I got great=
views of both of the Falcons. Wow! I think it was kind of unusal to see tw=
o Peregrines together.
=20
Two days earlier on Sunday I had seen one Peregrine flying on the northern =
side of the main hospital.
=20
Roger Kuhlman
Ann Arbor, Michigan
3/25/2008=
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Subject: [birders] Macabre Icterid Factoids
From: "Dan Sparks-Jackson" <sparksjackson(AT)aol.com>
Date: 25 Mar 2008 7:51pm
Following the grackle predation thread, I remembered some relevant
passages in Jaramillo & Burke's "New World Blackbirds: the Icterids".
Under the Common Grackle account, a portion of the 'behavior' heading
reads: "Common Grackle is an accomplished nest predator, but will even
kill and eat small birds and mammals! Most often birds are killed by
pecks to the back of the head. In one documented instance a single Common
Grackle killed and ate at least 39 small passerines during a two week
period."
Likewise, in regards to Rusty Blackbirds it is noted that: "When times are
tough, particularly in the early spring if the blackbirds find themselves
in the midst of a snowy cold snap, they become aggressive predators. On
more than one occasion they have been observed to pursue and kill small
songbirds, and birds as big as Common Snipe (Gallinago gallinago)! After
the prey has been quickly dispatched, the brain is eaten, leaving
everything else intact. Perhaps the bill and legs of the Rusty Blackbird
are not strong enough to be able to gain access to the breast meat."
Yikes!
Dan S-J
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Subject: [birders] Phoebe time...
From: "John Lowry" <john(AT)kingbird.org>
Date: 25 Mar 2008 7:59pm
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This afternoon I heard a phoebe singing at the RR tracks crossing the =
Huron River near the pullout for the Foster Savannah access.
My first for the year!
John Lowry
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Subject: [birders] Re: misbehaving wren
From: Lee Green MD <greenla(AT)daylight.fp.med.umich.edu>
Date: 25 Mar 2008 9:10pm
The feeder the wren is determined to empty has safflower only, and has
never had anything else, so if it's still looking for something else it's
a really stubborn bird. Or slow on the uptake :-) We have several
feeders, and our neighbors have too, each with different contents, so it
could find pretty much whatever it wants around here. I think it's just
enjoying itself! (I put safflower only in the feeder closest to my window
because anything else seems to bring in a lot of starlings. We're in a
farming area.) -Lee
On Mon, 24 Mar 2008, Sherri Smith wrote:
> Lee,
> your wren can't crack seeds, so it is looking for a hull-less one. It
> probably thinks your feeder is full of sunflower hearts and is very
> disappointed. Why don't you mix in some sunflower hearts and support this
> fine bird?
> Sherri Smith
>
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Lee Green MD MPH
Department of Family Medicine
University of Michigan
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Subject: [birders] Re: Macabre Icterid Factoids
From: Parula100(AT)aol.com
Date: 25 Mar 2008 10:12pm
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In a message dated 3/25/2008 7:51:11 PM Eastern Daylight Time,
sparksjackson(AT)aol.com writes:
Under the Common Grackle account, a portion of the 'behavior' heading
reads: "Common Grackle is an accomplished nest predator, but will even
kill and eat small birds and mammals! Most often birds are killed by
pecks to the back of the head.
Dan,
This is very interesting, and fits with what I observed in my yard a few
years ago. That summer I found several dead House Sparrows whose skulls had
been
crushed. One day, I was reading out in the yard when I heard the sound of a
bird screaming from the back of my yard. I ran over to the spot, and was
surprised to see a Grackle fly out from beneath a shrub. When I investigated
further, I found a dazed House Sparrow with blood on its head. After a few
minutes, it recovered and flew away.
Darlene Friedman
Novi
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