Abundance: Very common Season: Summer/breeding season Habitat: Seen most often in flight; Shore or mudflat Slide #29.24.22 - Adult, alternate, in flight (Jul 22). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature. Slide #29.24.31 - Adult, basic, in flight (Sep 14). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature. Slide #29.24.17 - Adult, alternate, molting to basic, in flight (Aug 2). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.