Thayer's Gull (thayeri)
(last update: January 22, 2013)
Thayer's Gull adult, December 07 2011, Duluth, Minnesota, US. Picture: Karl Bardon.
Visit: Karl's Pbase pages.
No black on P5 and broken band on P10. Thayeri pattern on P9 combined with broad sub-terminal band. Medial band on P9 covering about half of the inner web, and it is completely covering outer web at the mirror.
Bird probably best matches option Plate 3-k.
