Thayer's Gull (thayeri)

(last update: January 22, 2013)

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

Thayer's Gull adult, February 22 2009, Parksville, Vancouver Island, BC. Picture: Guy Monty.

Visit: Guy's Flickr site.

Paler end of the spectrum when it comes down to pigmentation of the wing-tip. Pattern not jet-black, rather greyish. Full sub-terminal band on both P5 and P10.