Thayer's Gull (thayeri)

(last update: January 22, 2013)

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

Thayer's Gull 1cy September (juvenile)

 

Thayer's Gull juvenile, September 10 2012, Teslin Lake, Yukon. Picture: Yukon Bird Observatories.