Northern Rough-winged Swallow
grrlscientist | August 6, 2009tags: Northern Rough-Winged Swallow, Stelgidopteryx serripennis, birds, mystery bird, bird ID quiz
[Mystery bird] Northern Rough-Winged Swallow, Stelgidopteryx serripennis, photographed at the Katy Prairie, Texas. [I will identify this bird for you in 48 hours]
Image: Joseph Kennedy, 3 April 2009 [larger view].
Nikon D200, Kowa 883 telescope with tsn-pz camera eyepiece 1/640s f/8.0 at 1000.0mm iso400.
Please name at least one field mark that supports your identification.
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grrlscientist | November 12, 2008tags: Northern Rough-winged Swallow, Stelgidopteryx serripennis, birds, mystery bird, bird ID quiz
[Mystery bird] Northern Rough-winged Swallow, Stelgidopteryx serripennis, photographed in Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 2006 [larger view].
Date Time Original: 2006:03:12 09:45:40
Exposure Time: 1/249
F-Number: 14.00
ISO: 200
Please name at least one field mark that supports your identification.
Rick Wright, Managing Director of WINGS Birding Tours Worldwide, writes:
Look at those wings! They're obviously long, and we can roughly quantify their…