Thayer's Gull (thayeri)

(last update: January 22, 2013)

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

Thayer's Gull 4cy (4th cycle) / sub-adult November

 

Thayer's Gull sub-adult, November 30 2013, Lake County, IL. Picture: Amar Ayyash.
Thayer's Gull sub-adult, November 30 2013, Lake County, IL. Picture: Amar Ayyash.
Thayer's Gull sub-adult, November 30 2013, Lake County, IL. Picture: Amar Ayyash.