tags: Redhead, Pochard, Raft Duck, Red-headed Raft Duck, Aytha americana, birds, mystery bird, bird ID quiz
[Mystery bird] Redhead, also known by a slew of other names, including Pochard, Raft Duck and Red-headed Raft Duck, Aytha americana, photographed in Hermann Park, Houston, Texas. [I will identify this bird for you in 48 hours]
Image: Joseph Kennedy, 23 December 2009 [larger view].
Nikon D200, Kowa 883 telescope with TSN-PZ camera eyepiece 1/500s f/8.0 at 1000.0mm iso400.
Please name at least one field mark that supports your identification.
Here's another image of a different…
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