Western x Glaucous-winged Gull

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

Slide #29.02.67 - 1st year, basic (Nov 2). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.

Slide #29.02.10 - 2nd year, basic (Oct 10). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.

Slide #29.02.68 - 3rd year, basic (Feb 18). Photograph © Ned Harris. Original available from the Sea and Sage Audubon Library of Nature.

Slide #29.02.21 - 4th year, basic (Jan 23). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.