Atlantic Yellow-legged Gull (atlantis)

(last update: October 12, 2011)

Atlantic YLG (atlantis) 2cy, March 26 2008, Funchal, Madeira Islands. Picture: Thijs Valkenburg.

Much dark in tail; Med michahellis normally has only a single sub-terminal band on the outer web of R6, but atlantis may show several transversal bars here (3 bars in this bird).