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), 2CY, August 08 2012, Plum Island, MA. Picture: Suzanne Sullivan.

Visit Suzanne's PBASE SITE.

Complete moult: P6 fully grown, P7 almost equalling P8, P10 still old juvenile.