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) sub-adult AFR November & December 2012, Sandwich & Provincetown beach, MA. Picture: Steve Arena & John Kricher.

See for project info the website of: SABLE ISLAND GULLS.

below: American Herring Gull (smithsonianus) sub-adult AFR November 01 2012, Provincetown beach, MA. Picture: John Kricher.

P8 fully grown.

below: American Herring Gull (smithsonianus) sub-adult AFR December 30 2012, Canal East End, Sandwich, Massachusetts. Picture: Steve Arena.

AFR: Note small black spots on greater primary coverts. Otherwise, in all respects adult, so maybe 5cy. Large black sub-terminal marking on outer-web of P4.