The Evolution of Wolves

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Our hunter-gatherer ancestors would have had to consistently keep a group of these dangerous wild wolves around them and make the nicer ones breed together. Catherine doesn't love this hypothesis, it seems so unlikely. She thinks the more likely scenario is that wolves chose to come closer to us because we had something that they wanted. They were lured to us because of our garbage.

Dogs were the first domesticated animal in history, emerging from wolves some 20,000 years ago. But how did wolves become dogs? To find the answer, scientists have to play with a lot of puppies.

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