Thayer's Gull (thayeri)

(last update: January 22, 2013)

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

Thayer's Gull adult, November 18 2004, Rio del Mar, CA. Picture: Jeff Poklen.

Many more pictures, visit: Jeff's Pbase site.

THGU (right) with presumed GW x WEGU, both basic adults. Note especially differences in head shape and bill size.