Thayer's Gull (thayeri)

(last update: January 22, 2013)

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

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

 

Thayer's Gull sub-adult, December 10 2013, Half Moon Bay, California. Picture: Alvaro Jaramillo.
Thayer's Gull sub-adult, December 16 2013, Lake County, IL. Picture: Amar Ayyash.
Thayer's Gull sub-adult, December 18 2011, Duluth, Minnesota, US. Picture: Karl Bardon. P5 with complete band. Complete sub-terminal band on P10 and complete medial band on P10 covering much of inner web. P9 also with much black on inner web. Black on P9 completely covers the outer web at the mirror (P9 mirror only on inner web).