Thayer's Gull (thayeri)

(last update: January 22, 2013)

Coordinators:
Amar Ayyash (USA)
Mars Muusse (Netherlands)

Thayer's Gull juvenile, November 24 2008, Nimbus Fish Hatchery, American River Parkway / Sacramento County, CA, US. Picture: Dave Jonson.

Visit: Dave's Flickr photostream.

Bird in complete juvenile plumage, primaries are the darkest part of the bird.