tags: Sedge Wren, Cistothorus platensis, birds, mystery bird, bird ID quiz
[Mystery bird] Sedge Wren, Cistothorus platensis, photographed in Minnehaha County, South Dakota. [I will identify this bird for you in 48 hours]
Image: Terry Sohl, 19 September 2009 [larger view]
Canon 50D, 400 5.6L lens.
Please name at least one field mark that supports your identification.
Review all mystery birds to date.