tags: Long-tailed Duck, Oldsquaw, Clangula hyemalis, birds, mystery bird, bird ID quiz
[Mystery bird] Long-tailed Duck, formerly known as Oldsquaw, Clangula hyemalis, photographed at Bodega Bay, California. [I will identify this bird for you in 48 hours]
Image: Joseph Kennedy, 23 December 2007 [larger view].
Nikon D200, Kowa 883 telescope with TSN-PZ camera eyepiece 1/750s f/8.0 at 1000.0mm iso400.
Please name at least one field mark that supports your identification.
Review all mystery birds to date.