Certhia americana
grrlscientist | April 23, 2009tags: Brown Creeper, Certhia americana, birds, mystery bird, bird ID quiz
[Mystery bird] Brown Creeper, Certhia americana, photographed at the Big Sioux Recreation Area near Brandon, South Dakota. [I will identify this bird for you tomorrow]
Image: Terry Sohl, 30 December 2007.
Photo taken with a Canon 20D, 400 5.6L.
Please name at least one field mark that supports your identification.
Review all mystery birds to date.