Gull Research Organisation

Thayer's Gull (thayeri)

(last update: January 22, 2013)

Coordinators:
Amar Ayyash (USA)
Mars Muusse (Netherlands)

thayers 1cy August
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thayers 1cy December

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thayers 3cy April
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thayers 3cy October
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thayers 3cy December

thayers sub-ad January
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thayers sub-ad December

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Thayer's Gull adult, March 05 2011, Tacoma, Washington. Picture: Brian Pendleton.

Visit: Brian's Flickr photostream.

Full subterminal band on P10, medial band on P9 broken on inner web (classic thayeri pattern), black spot on outer web of P5. By March still hooded appearance.