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Topic Categories: Birding • Education • Mystery Birds • Ornithology • Photography • Teaching
Posted on: June 11, 2009 9:59 AM, by "GrrlScientist"
tags: Sharp-tailed Grouse, Tympanuchus phasianellus, birds, mystery bird, bird ID quiz
[Mystery birds] Sharp-tailed Grouse, Tympanuchus phasianellus, photographed at roughly 9am in the Little Bighorn Battlefield National Monument in Montana. [I will identify these birds for you tomorrow]
Image: Bardiac, 7 June 2009 [larger view].
Please name at least one field mark that supports your identification.
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Comments
Ruffed Grouse.
Posted by: ...! | June 11, 2009 11:33 AM
I'm calling those sharp-tailed grouse, based on Sibley's "slightly crested", "white-spotted wing coverts", and "pale below with dark chevrons".
Posted by: John Callender | June 11, 2009 11:41 AM
Sharp-tailed grouse is my guess based on the light-colored and relatively unmarked flanks and light undertail.
Posted by: Vicki King | June 11, 2009 4:15 PM
I beleive that these are female sharp tailed grouse. The small crest on the head and the light underparts are the field marks I would use to identify these birds. While ruffed grouse have a crest as well, they are more likely to be found in woodlands.
Ian Kinman
Posted by: Ian Kinman | June 11, 2009 6:27 PM
I beleive that these are female sharp tailed grouse. The small crest on the head and the light underparts are the field marks I would use to identify these birds. While ruffed grouse have a crest as well, they are more likely to be found in woodlands.
Ian Kinman
Posted by: Ian Kinman | June 11, 2009 6:30 PM
I'm thinking they're a pair of Rock Ptarmigan in summer. The male definitely sports a marking between the eye and the bill.
Posted by: Burt Hecht | June 12, 2009 8:20 AM