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MOU-RBA  February 2012

MOU-RBA February 2012

Subject:

[mou-net] Iceland Gull (possible Glaucoides), Thayer's Gull and migrating Northern Goshawk in Duluth

From:

Erik Bruhnke <[log in to unmask]>

Reply-To:

Erik Bruhnke <[log in to unmask]>

Date:

Sat, 25 Feb 2012 00:37:21 -0700

Content-Type:

text/plain

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text/plain (66 lines)

While birdwatching at Canal Park this afternoon with my friend Kirk Mona,
we had some great looks at Thayer's Gulls, an Iceland Gull (one 1st-cycle
Kumlien's, plus the individual noted below), a few Ring-billed Gulls and
about 50 Herring Gulls. Upon arriving at Canal Park around noon today, a
distant Northern Goshawk flew by, heading due north in a migration-fashion!

Northern Goshawk
http://www.pbase.com/birdfedr/image/141711005

Iceland Gull (possibly Glaucoides race)
http://www.pbase.com/birdfedr/image/141711004
http://www.pbase.com/birdfedr/image/141710997
http://www.pbase.com/birdfedr/image/141711002
http://www.pbase.com/birdfedr/image/141711003
http://www.pbase.com/birdfedr/image/141711001
http://www.pbase.com/birdfedr/image/141710994
http://www.pbase.com/birdfedr/image/141710995

Thayer's Gull
http://www.pbase.com/birdfedr/image/141711009
http://www.pbase.com/birdfedr/image/141711007
http://www.pbase.com/birdfedr/image/141711008

Ring-billed Gull
http://www.pbase.com/birdfedr/image/141711006

Fun quiz
http://www.pbase.com/birdfedr/image/141710999

Iceland Gulls come in two "races"... the kumlieni race and the glaucoides
race.
The Kumlien's race is a slightly bolder-marked, tanpale-gray-detailed race
of Iceland Gull. They breed throughout the islands along the
northeastern-most tier of the Hudson Bay region. Most of the "Iceland"
gulls observed throughout the Great Lakes during the winter months are
believed to be of this race/form.

The Glaucoides race breeds along the central and southern shores of
Greenland. This race as a whole, is even paler than the Kumlien's race.
Seeing an Iceland Gull is a treat and privilege to witness, regardless of
the race or variety. Iceland Gulls are gorgeously-frosty, almost like the
"Hoary Redpoll" version of the Thayer's Gull, if that makes sense :-) The
extra-pale appearance overall, plus white "hands" throughout the outer
primaries on this interesting Iceland Gull seen today is reminiscent of the
Glaucoides race of Iceland Gull, which constitute many of the
Greenland-dwelling Iceland Gulls. Feedback is welcome. Thanks, and enjoy
the photos!

Good birding,
Erik Bruhnke
Duluth, MN





-- 
*NATURALLY AVIAN* - Guided Birdwatching Trips and Bird photography
www.pbase.com/birdfedr
www.naturallyavian.blogspot.com
[log in to unmask]

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