Tachycineta bicolor
grrlscientist | June 14, 2009tags: Tree Swallow, Tachycineta bicolor, birds, mystery bird, bird ID quiz
[Mystery bird] Tree Swallow, Tachycineta bicolor, photographed at Lake Thompson in Kingsbury County, South Dakota. [I will identify this bird for you tomorrow]
Image: Terry Sohl, 2 May 2009 [larger view]
Photo taken with a Canon 50D, 400 5.6L.
Please name at least one field mark that supports your identification.
grrlscientist | June 8, 2009tags: Tree Swallow, Tachycineta bicolor, birds, mystery bird, bird ID quiz
[Mystery birds] Tree Swallow, Tachycineta bicolor, photographed at Anahuac Refuge, Texas. Are they all the same species? [I will identify these birds for you tomorrow]
Image: Joseph Kennedy, 1 May 2009 [larger view].
Nikon D200 ,Kowa 883 telescope with TSN-PZ camera eyepiece 1/320s f/8.0 at 1000.0mm iso400.
Please name at least one field mark that supports your identification.
Review all mystery birds to date.