Glaucous Gull Thayer 's Gull Photo copyright © 2004 Jeff Poklen Two similar pictures - slightly different postures. Probably a pale-eyed Thayer 's Gull. Thayer 's Gull - Riverlands Migratory Bird Sanctuary - Dam Spillway - West Alton, MO 1/19/09 First-year plumage, Doheney Beach, Orange Co., 1-07. © John C. Avise . Feb 6, 2014. Tiburon, California. Photo by Steve Hampton. The bill, without a comparison to another... Thayer 's Gull Photographer : © Martin Hale I'm pretty sure this is a Thayer 's Gull, though it could possibly be a hybrid. Thayer 's Gull and Ring-billed Gulls Possible Thayer 's Gull - mantle and color detail Interested in College in Alaska? Thayer 's Gull Larus thayeri This is the same bird as in the... Flickr! - Comments on Thayer 's Gull Thayer 's Gull Larus thayeri I've wanted a Thayer 's Gull since I... A vanilla flavoured Thayer 's Gull This gull is a little confusing to me; very pale eye and apparently dark underside of primaries... Accepted Records (82-2) . A first-year bird studied at the New Orleans City Dump, New Orleans on 14... Here the pale underside of a primary is visible on the folded wing. Photographed 07 and 08 January... Possible Thayer 's Gull -- mantle and tertial detail This compares an apparent male Thayer 's Gull (in the back) with an apparent female Herring... Thayer's & Herring Gulls - Melvin Price Dam - Alton, IL 1/19/09 Thayer 's Gull ( Larus thayeri ) observed at Totem Park These are two different birds, as evidenced by the slight differences in the white mirror on P9. Notice the skinny, all-black bill, pink legs, dark tail, and dark eye on a coffee-colored, scaly... Pale eye, but orbital ring is pink, dark primaries, but they appear pale underneath seem to suggest... Interested in College in Alaska? Thayer 's Gull Larus thayeri This is the photo that made it possible... Slaty-backed Gull (click on thumbnails for larger) This bird seems to be pretty much an adult,... Thayer 's Gull at Swan Lake. Thayer 's Gull observed 18 January 2007 at Swan Lake.