American Herring Gull (smithsonianus)

(last update: October 30, 2015)
Coordinators:
Amar Ayyash (US)
Bruce Mactavish (Canada)
Dave Brown (Canada)
Mars Muusse (Netherlands)

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American Herring Gull (smithsonianus), 2CY, June 27 2013, Sandy point - Plum Island, MA. Picture: Suzanne Sullivan.

Visit Suzanne's PBASE SITE.

Complete moult: P8-P10 still old juvenile. Active moult in coverts with central GC still old. Upper row of LC still juvenile. Upper TT replaced.