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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Plesae visit: GULLS TO THE HORIZON, for more images.

Retarded bird, but adult-like inner and central primaries, many secondaries grey based with large white tips.