|  Thayer's Gull sub-adult, December 18 2011, Duluth, Minnesota, US.  Picture: Karl Bardon.  P5 with complete  band. Complete sub-terminal band on P10 and complete medial band on P10 covering much of inner web. P9 also with much black on inner web. Black on P9 completely covers  the outer web at the mirror (P9 mirror only on inner web). |