tags: Lapland Longspur, Calcarius lapponicus, birds, mystery bird, bird ID quiz
[Mystery bird] Lapland Longspur, Calcarius lapponicus, photographed at the Montlake Fill, Seattle, King County, Washington State. [I will identify this bird for you tomorrow]
Image: Marv Breece, 8 October 2007 [larger view].
Canon EOS 350D 1/1250s f/6.3 at 300.0mm iso800.
Please name at least one field mark that supports your identification.
Review all mystery birds to date.