Atlantic Yellow-legged Gull (atlantis)

(last update: October 12, 2011)

Coordinators:
Rui Caratão (Portugal)
Mars Muusse (Netherlands)

Atlantic YLG (atlantis) 2cy, August 23 2010, São Miguel, Azores Islands. Picture: Richard Lowe.

From below resembling juvenile plumage, but note growing outer primaries.