Catharus ustulatus
grrlscientist | May 11, 2010tags: Swainson's Thrush, Olive-backed Thrush, Catharus ustulatus, birds, mystery bird, bird ID quiz
[Mystery bird] Swainson's Thrush, also known as the Olive-backed Thrush, Catharus ustulatus, photographed at Quintana Neotropical Bird Sanctuary, Brazoria County, Texas. [I will identify this bird for you in 48 hours]
Image: Joseph Kennedy, 27 April 2010 [larger view].
Nikon D200, Kowa 883 telescope with TSN-PZ camera eyepiece 1/400s f/8.0 at 1000.0mm iso400.
Please name at least one field mark that supports your identification.
Review all mystery birds to date.