Thayer's Gull (thayeri)(last update: January 22, 2013) |
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Thayer's Gull adult, December 13 2006, Rio del Mar, 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 2.5, pale greenish or yellowish with little or no brown mottling visible which is found in 16% of Thayer's Gull (see HERE). |