Thayer's Gull (thayeri)

(last update: January 22, 2013)

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

Thayer's Gull adult, December 13 2009, Duluth/Superior, Wisconsin. Picture: Karl Bardon.

Visit: Karl's Pbase site.

Adult bird with Herring Gulls. Note grey tone.