sound file
tags: Pacific Loon, Pacific Diver, Gavia pacifica, Gavia arctica, birds, mystery bird, bird ID quiz
[Mystery bird] Pacific Loon, known in Europe as the Pacific Diver, Gavia pacifica (formerly lumped with Gavia arctica), photographed in Monterey Bay, California. [I will identify this bird for you in 48 hours]
Image: Joseph Kennedy, 7 May 2010 [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.
This elegant mystery bird's common and scientific names have a…