anna's hummingbird
grrlscientist | February 22, 2010tags: Anna's Hummingbird, Calypte anna, birds, mystery bird, bird ID quiz
[Mystery bird] Anna's Hummingbird, Calypte anna, photographed in California. [I will identify this bird for you in 48 hours]
Image: Steve Duncan [larger view].
Nikon D200 w/ Nikkor 300mm f/4 & TC17E.
Please name at least one field mark that supports your identification.
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edyong | June 9, 2009Many animals use impressive displays to seduce a mate, but few go as far as the male Anna's hummingbird. He performs a death-defying courtship dive, plummeting to the ground at speeds and accelerations that put jet fighters to shame.
The tiny 7cm bird reaches a top speed of 60mph and at the fastest point of the dive, it covers 385 times its own body length every second. For its size, it's the fastest aerial manoeuvre performed by any bird. In contrast, the famous attack dive of the peregrine falcon, while much faster in absolute terms, only covers 200 body lengths per second.
The…
grrlscientist | May 29, 2009tags: Anna's Hummingbird, Calypte anna, birds, mystery bird, bird ID quiz
[Mystery bird] Anna's Hummingbird, Calypte anna, photographed in Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 30 January 2005.
Date Time Original: 2005:01:30 07:51:30
Exposure Time: 1/159
F-Number: 8.00
ISO: 400
Please name at least one field mark that supports your identification.
Review all mystery birds to date.
grrlscientist | March 23, 2009tags: Anna's Hummingbird, Calypte anna, birds, mystery bird, bird ID quiz
[Mystery bird] Anna's Hummingbird, Calypte anna, photographed in Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 7 July 2005 [larger view].
Date Time Original: 2005:07:07 07:19:59
Exposure Time: 1/319
F-Number: 11.00
ISO: 200
Please name at least one field mark that supports your identification.
Rick Wright, Managing Director of WINGS Birding Tours Worldwide, writes:
We're usually so distracted by the bright colors of a hummingbird's head that we forget to start at the rear. In this…
grrlscientist | June 21, 2008tags: Anna's hummingbird, Calypte anna, birds, Image of the Day
Female Anna's Hummingbird, Calypte anna, sitting on her nest.
Notice the uncommonly bright colors on her gorget.
This bird is nesting on Bainbridge Island in Washington state.
Image: Eva Gerdts, May 2008. [larger view].