Date: 1/2/26 12:03 pm From: 'Tony Leukering' via Colorado Birds <cobirds...> Subject: [cobirds] Re: Another strange gull
As noted already, this is an American Herring Gull. Besides the pink legs,
note the wide, white tertial and scapular crescents. The latter is not
particularly obvious in this photo, but the tertial crescent (created by
the broad, white tips to the three tertials creating a white crescent just
anterior to the black primary tips). Ring-billed Gull has both crescents
thin and nowhere near as obvious. You can read more about scapular and
tertial crescents in the In The Scope article in the January 2012 issue of
Colorado Birds (CB_2012_46_1_Jan.pdf
<https://cobirds.org/wp-content/uploads/2023/01/CB_2012_46_1_Jan.pdf>),
page 78.
Tony Leukering
Denver
On Thursday, January 1, 2026 at 1:59:05 PM UTC-7 David Hyde wrote:
> Happy New Year to everyone! On Lake McIntosh this afternoon I saw a
> Ring-billed gull with pink legs! Never seen nothing like it before. I took
> some photos and here's one, it kinda looks like a Thayer's gull but... it
> has a light eye... Any suggestions at to what bird this is appreciated 😁
>
> [image: P1150588.JPG]
>
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