American Herring Gull (smithsonianus)

(last update: October 30, 2015)

Coordinators:
Amar Ayyash (US)
Bruce Mactavish (Canada)
Dave Brown (Canada)
Mars Muusse (Netherlands)

Herring Gull (argenteus) adult, March 01 2010, SW Iceland. Picture: Hans Larsson.

Visit Hans's pbase!

Argenteus, but wingtip pattern on some points close to smithsonianus: W-shaped band on P5, broad band on P10. But, no W-shaped band on P6, no bayonet on P7-P8, black on P9 runs to coverts.