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Hi all -
Follow-up message below to Scott Bowers on location of his dark-backed gull. I thought in a quick look that it could be a third or fourth cycle Lesser Black-backed as they can have a bill pattern like this, e.g.,http://www.gull-research.org/lbbg/lbbg5cya/ftblue.html
but upon further analysis it looks more like a CAGU overall in head and bill shape, etc. Sometimes different lighting and angle can make some gulls look darker than others, and this can be exacerbated by photo effects.
To: "Peter Pyle" <firstname.lastname@example.org>
Subject: Re: sfbird Re: [SFBirds] Unusual California Gull
Date: Wed, 30 Dec 2020 15:45:38 -0800
Peter, I cannot seem to send the message to the whole group. The location was "tire beach" on the bay at 24th st.
From: Peter Pyle <email@example.com>
Sent: 12/30/20 3:29 PM
To: Scott Bowers <firstname.lastname@example.org>
Subject: sfbird Re: [SFBirds] Unusual California Gull
Hi Scott- looks interesting. Can you post to group the location? Thanks P
On Dec 30, 2020, at 14:40, Scott Bowers <email@example.com> wrote:
?Hey, I just wanted to get this out there in case I am mistaken about the ID.
This is what I believe to be a California Gull that I saw yesterday during the counts.
Thing is, the back of this gull is much darker than any of the other CA gulls in the area including the one in the front
of this image. I wanted to get this out there before the count week is up.
- Scott Bowers