Infographic: How Dogs Evolved

Some 40,000 years ago, dogs were wolves: silver-eyed stalkers who hunted man with blood-smeared lips in the deserts of Paleolithic Persia. Today, though, millennia of domestication have turned those limber predators into an assorted motley of breeds like the Pomeranian, a pocketbook-sized canine idiot so unwolf-like that it would only be recognized by its primordial ancestors as an amuse-bouche, not a peer.



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