Thayer's Gull (thayeri)

(last update: January 22, 2013)

Amar Ayyash (USA)
Mars Muusse (Netherlands)

Thayer's Gull adult, January 10 2005, Seascape, Aptos, CA. Picture: Jeff Poklen.

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

Thayer's Gull may show pale iris as well (pale eyed birds - score 2.5 and 3.0 - account for about 20% of the sample). Here: Iris scoring is 3.0, apparently unmarked pale yellowish (like an adult Herring Gull) which is found in 5% of Thayer's Gull (see HERE).