tags: Henslow’s Sparrow, Ammodramus henslowii, birds, mystery bird, bird ID quiz
[Mystery bird] Henslow’s Sparrow, Ammodramus henslowii, photographed on the Konza Prairie Biological Station (Riley County) in Manhattan, Kansas. [I will identify this bird for you in 48 hours]
Image: Dave Rintoul, 8 July 2007 [larger view].
Please name at least one field mark that supports your identification.
