American Herring Gull (smithsonianus)

(last update: October 30, 2015)

Coordinators:
Amar Ayyash (US)
Bruce Mactavish (Canada)
Dave Brown (Canada)
Mars Muusse (Netherlands)

American Herring Gull (smithsonianus) 2nd cycle (2CY), October 16 2015, St John's - Newfoundland. Picture: Lancy Cheng.

Few feathers renewed recently in partial autumn moult: upper TT, inner GC and inner MC, single lesser coverts. P10 fully grown.