Abundance: Occasional Season: Transient/migration season Habitat: Open water Slide #27.03.22 - Adult male, alternate (May 19). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature. Slide #27.03.18 - Adult female, alternate (May 19). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature. Slide #27.03.24 - Adult, basic (Sep 16). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature. Slide #27.03.27 - Adult female (?) alternate molting to basic (Aug 21). Photograph © James R. Gallagher. Original available from the Sea and Sage Audubon Library of Nature.