Atlantic Yellow-legged Gull (atlantis)

(last update: October 12, 2011)

Atlantic YLG (atlantis) 3cy, January 29 2008, Azores Islands. Picture: Dominic Mitchell.

Grey feathers from the partial autumn moult, especially apparent on upper tertials and in median and inner greater wing-coverts.

Photo: © Dominic Mitchell (www.birdingetc.com).