Thayer's Gull (thayeri)

(last update: January 22, 2013)

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

Thayer's Gull 1st cycle (2CY), January 20 2013, Michigan City, IN. Picture: Amar Ayyash.

Bird in juvenile plumage. Together with Kumlien's Gull.