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, June 13 2012, Chicago IL, USA. Picture: Amar Ayyash.

Complete moult started: P1-P4 fully grown, P5 growing, P7-P10 old.