OHIO-BIRDS Archives

May 2012

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Subject:
From:
Haans Petruschke <[log in to unmask]>
Reply To:
Haans Petruschke <[log in to unmask]>
Date:
Sun, 27 May 2012 14:26:30 -0400
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Hi,

I have posted Bob Lane's pictures to my flickr stream:

http://www.flickr.com/photos/haans42/


(Thanks Bob)


I will leave it to others to determine the identity of this bird.  As to it
being a dwarf Greater Black-backed Gull as is coming up on the ABA Rare
birds FB page:  As many of you know I am very evidence based and I will
make this observation : Howell and Dun say the length range for HEGU is
22-26.3 so average is 24.15. GBBG length range is 25-31, so the Herring
Gulls at Conneaut must be on the large side or this bird is outside the
known range for GBBG. I have no evidence to support either hypothesis.

Haans

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