glaucescens Glaucous-winged Gull & Western Gull occidentalis

(last update: 22-12-2016 )

Coordinators:
Alvaro Jaramillo
John Cant
Mars Muusse

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4cy / sub-ad Jan
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Western Gull occidentalis 1176-08623 3rd cycle (3CY), October 26 2016, Eureka, Humboldt Co., CA. Picture: EF.

Please visit EF's Flickr Photostream for more images!

Individual code on the metal band: #1176-08623. HY2014. Banded as an injured 1st year bird (data say"Age of Bird - hatched in 2014 or earlier") by International Bird Rescue, on July 07 2015 in San Francisco, San Francisco Co.

A very retarded bird, with the 3rd generation primaries much like 2nd gen flight-feathers: brownish black without whiet tips and no mirror on P10. Most of the LC and GC resemble worn 2nd gen feathers, and the grey band of MC matches the partial autumn moult in 2nd cycle birds. Note also extensive dark centres on secondaries. Heavily mottled head and much black on the bill add to overall "2nd cycle impression" of this bird. Fortunately it was banded.