American Herring Gull (smithsonianus)

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

smith rings
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Slaty-backed Gull (schistisagus) 3rd alternate (4CY), May 02 2010, Ayukawa - Kinkazan, Japan. Picture: Shigenobu Aizawa.

Please visit Aizawa's Blog for many more pictures!

Alternate plumage with pale head and underparts. Old coverts and tertials bleached and very worn. Old secondaries with bold white tips.