Abundance: Accidental Habitat: Shore or mudflat; Open water; Seen most often in flight Slide #29.16.35 - Adult, alternate (Jul 18). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature. Slide #29.16.05 - 1st year, basic (Jan 6). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.