Thayer's Gull (thayeri)

(last update: January 22, 2013)

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

Thayer's Gull 2cy June (1st basic moult)

 

Thayer's Gull 1st PB moult (2CY), June 08 2014, Sheboygan - Manitowoc, WI. Picture: Amar Ayyash.