Thayer's Gull, Larus thayeri

Abundance: Rare
Season: Winter/non-breeding season
Habitat: Shore or mudflat; Open water; Seen most often in flight

Slide #29.05.04 - 1st year, basic, the usual plumage seen (Jan 23). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.