Centuries of Climate Change Helped Turn Your Dog Into a Pet

  • Canines evolved to be social pack animals as habitat changed
  • Fast-moving climate developments now threaten extinction

A goldendoodle dog plays in the snow in New York, on Jan. 27. Photographer: Bruce Bennett/Getty Images

The next time you pat your dog on the head, take a minute to appreciate that the shape of your furry friend, and maybe even her relationship to you, came about because of the effects of a changing climate on her ancestors millions of years ago.

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