Thayer's Gull (thayeri)
(last update: January 22, 2013)
Thayer's Gull adult, January 12 2006, Rio del Mar, CA. Picture: Jeff Poklen.
Many more pictures, visit: Jeff's Pbase site.
Ideally, there should be more visible of the inner web of P10. Now probably P10: broken sub-terminal band, score is 4 (but possibly score 5 when thayeri pattern - broken medial band): a variably complete white "tip" separated from pale basal inner web but contiguous with white tip.
P5: incomplete sub-terminal band, score is 2.