Mystery Bird: Savannah Sparrow, Passerculus sandwichensis

Dec 31 2008 Published by under Birding, Mystery Birds

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[Mystery bird] Savannah Sparrow, Passerculus sandwichensis, photographed in Snohomish County, Washington State. [I will identify this bird for you tomorrow]
Image: Marv Breece, 19 April 2007 [larger view].
Canon EOS 350D 1/2000s f/6.3 at 270.0mm iso400.

Please name at least one field mark that supports your identification.

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