Sunday, 17 December 2017

[cobirds] Larus spuh. ID help CCSP today

Hi all-
Birded the west shades and marina of CCSP today. Got a continueing Pacific Loon (swimming off near Pelican point), as well as a late pelican and two Thayer's (Iceland) Gulls.
I also got this confusing gull. The wingtips have extensive unbroken black on them. The mantle (slightly darker than Ring-billed mantle) and black wing tips have very little white in between. The winter brownish-dinginess the head forms a bit of a collar on the nape, and the bill is pale bill a black tip. The bird in question is in the very center of the three pictures.

Ben Sampson
 Centennial, CO


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