While out on a hike we followed the sound of a woodpecker pecking in the forest fully expecting to find a Downy Head or Hairy. When we finally spotted the source of the pecking we were treated thrilled to find an American Three Toed Wooedepcker: Picoides dorsalis working away looking for a meal. Why this species evolved to have only three toes instead of the typical four seems to be a matter fro debate however the Cornell Lab of Ornithology suggest that thee toes may help deliver stronger blows with the beak while foraging.
nature has no boss 
Interesting about the toes.
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Hi Jim, it is and I have been searching for a more in-depth explanation. I will pass it along if I find out specifics.
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Wow, nice shot, this is a new one to me.
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Hi Eliza, hope you had a wonderful thanksgiving. We run into a Three-toed woodpecker very infrequently and from what I know they might not be residents in your area.
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