Glaucous-winged Gull, Larus glaucescens

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

Slide #29.02.54 - Adult, alternate (Jul 19). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.

Slide #29.02.33 - 1st year, basic, the plumage most often seen (Feb 9). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.

Slide #29.02.40 - 2nd year, alternate (Jul 19). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.

Slide #29.02.28 - 3rd year, basic (Nov 9). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.