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A Dimorphic Species: Williamson's Sapsuckers, mated pair
A Dimorphic Species: Williamson's Sapsuckers, mated pair
hahn23


Photograph Information Photographer's Comments
Challenge: Diptych (Expert Editing)
Camera: Canon EOS-5D
Lens: Canon EF 400mm f/5.6L USM
Location: Rocky Mountain National Park, Estes Park, CO
Date: Jun 28, 2012
Aperture: 5.6
ISO: 400
Shutter: 1/400s, 1/1250s
Date Uploaded: Jun 28, 2012

 100 years ago, these birds were assumed to be separate species until naturalists observed them raising chicks in the same cavity nest.

This mated pair is delivering ants and moths to their chicks in the cavity nest of an aspen tree.

Sexual dimorphism is a phenotypic difference between males and females of the same species. Examples of such differences include differences in morphology, size, ornamentation, and behavior.

Statistics
Place: 42 out of 67
Avg (all users): 5.5948
Avg (commenters): 6.0000
Avg (participants): 5.3158
Avg (non-participants): 5.7308
Views since voting: 426
Views during voting: 284
Votes: 116
Comments: 5
Favorites: 0

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AuthorThread
 07/06/2012 06:49:59 AM
I thought this was a hard enough image to look at, to be honest. I think the lack of a proper division between the two images is what makes it feel off to me.
Definitely tells a story, but it really needed your notes to complete it (you can't really expect us to do research when voting!). I could see this in a nature magazine or something. Still, my head feels fuller after reading your comments and notes, so thanks :-)

Message edited by author 2012-07-06 06:50:07.
  Photographer found comment helpful.
 Comments Made During the Challenge
07/02/2012 10:29:33 AM
What a charming picture.
  Photographer found comment helpful.
 07/01/2012 03:37:21 PM
I would have liked this so much more if it was more traditionally presented. Two cracking photos, but I just don't like the way the photos are morphed together.
  Photographer found comment helpful.
 06/30/2012 08:59:01 PM
what a symbiosis!
  Photographer found comment helpful.
 06/29/2012 01:33:01 AM
What an interesting choice for this challenge, and the title really explains the shot. I'm guessing Hahn23?
  Photographer found comment helpful.


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