Gull Research Organisation

(last update: October 30, 2015)

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

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See Mike's Picasa website for many more taxa and images of American Herring Gull.

Showing underwing. Note 2nd gen secondaries, inner primaries and no white tips on central primaries. Relatively pale tail.