tags: Ruby-throated Hummingbird, Archilochus colubris, birds, mystery bird, bird ID quiz
[Mystery bird] Ruby-throated Hummingbird, Archilochus colubris, photographed in Brandon, South Dakota. [I will identify this bird for you tomorrow]
Image: Terry Sohl, 1 September 2008 [larger view].
Photo taken with a Canon 20D, 400 5.6L lens.
Please name at least one field mark that supports your identification.
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tags: Ruby-throated Hummingbird, Archilochus colubris, birds, mystery bird, bird ID quiz
[Mystery bird] Moulting adult female Ruby-throated Hummingbird, Archilochus colubris, photographed in Brandon, South Dakota. [I will identify this bird for you in 48 hours]
Image: Terry Sohl, 12 August 2009…
tags: Ruby-Throated Hummingbird, Archilochus colubris, birds, Image of the Day
Thanks to Greg Scott, who has offered to share his gorgeous images with me and all of you here, I am running a series of his hummingbird images starting on 5 December and going daily through the 12th of December. I will…
Image of ruby-throated hummingbird by Joe Schneid, Louisville, Kentucky (Own work) [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
In a new study published in The Auk, scientists report that well-fueled older tiny Ruby-throated Hummingbirds (Archilochus colubris) …
Brandy Velten (doctoral student) and Dr. Kenneth Welch (Comparative Physiologist) from the University of Toronto wanted to know whether birds with very different speeds at which they flaps their wings (i.e. wingbeat frequencies) had correspondingly varying types of myosin proteins in their muscles…
Well, wings, beak, and build all say "hummingbird", but I don't know which one. I'm guessing a female black-chinned, since it's brown and white, but I'm only guessing.
Well, the "September 1 in South Dakota" thing really cuts down on the possibilities. I guess I'll go with a female ruby-throated hummingbird, going mainly by the Sibley range maps. Though I recognize that the photographer might well have come across a less-likely bird, and thought, hey, gotta get a photo of that.
Probably some here already know about it - but the US forest service has an atlas detailing how global warming is likely to affect the ranges of many bird species:
http://www.nrs.fs.fed.us/atlas/index.html
I'm guessing summer immature ruby-throated hummingbird. The field marks are the white-tipped tail and the neck spots. The location and time of year are probably helpful as well.
Based on range, white tail spots, and throat spots I'd vote for Ruby-Throated Hummie.
I'm also guessing immature Ruby, due to the darker patch below the eye.