Atlantic Yellow-legged Gull (atlantis)

(last update: October 12, 2011)

Rui Caratão (Portugal)
Mars Muusse (Netherlands)

Atlantic YLG (atlantis) 1cy, October 05-06 2011, Terceira, Azores Islands. Picture: Rony Livne.

Bird in juvenile plumage, with replaced scapulars by early-Ocober: upper scapulars 75-99%, lower scapulars 75-99%, total scapulars 75-99%. Wing-covert and tertial moult limited with gc1 & gc2 replaced. Maybe tt1 missing.