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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the wolf.Also called the domestic dog, it was domesticated from an extinct population of Pleistocene wolves over 14,000 years ago. The dog was the first species to be domesticated by humans.Experts estimate that hunter-gatherers domesticated dogs more than 15,000 years ago, which was before the development of ...
Because the domestic dog’s sense of smell is between 10,000 and 100,000 better than our own, canines now assist law enforcement by sniffing out drugs, explosives, and even electronics.
