tags: Lesser Goldfinch, Dark-backed Goldfinch, Spinus psaltria, Carduelis psaltria, birds, mystery bird, bird ID quiz
[Mystery bird] Lesser Goldfinch, also known as the Dark-backed Goldfinch, Spinus (Carduelis) psaltria, photographed in San Rafael, California. [I will identify this bird for you in 48 hours]
Image: Joseph Kennedy, 25 December 2007 [larger view].
Nikon D200, Kowa 883 telescope with TSN-PZ camera eyepiece 1/1250s f/8.0 at 1000.0mm iso400.
Please name at least one field mark that supports your identification.
Review all mystery birds to date.
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