Ring-billed Gull, Larus delawarensis

Abundance: Abundant
Season: Year round
Habitat: Shore or mudflat; Open water; Seen most often in flight

Slide #29.07.43 - Adult, alternate (Jun 26). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.

Slide #29.07.103 - Adult, basic (Feb 29). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.

Slide #29.07.88 - Juvenile (Jul 19). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.

Slide #29.07.83 - Juvenile, molting to 1st year, basic (Oct 26). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.

Slide #29.07.69 - 1st year, basic (Jan 5). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.

Slide #29.07.109 - 2nd year, basic (Dec 17). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.

Slide #29.07.100 - ca. 2nd year, alternate (Jul 21). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.