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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated son of the wolf. Also called the tame dog, it was domesticated from an extinct folk of wolves during the Late Pleistocene, upward of 14,000 years ago sooner than hunter-gatherers, return whilom before to the phenomenon of agriculture. The dog was the beforehand species to be domesticated away humans. Experts judge that unpaid to their long linkage with humans, dogs bear expanded to a large calculate of domestic individuals and hospital gained the capacity to thrive on a starch-rich regime that would be unsuitable for other canids.[4]

The dog has been selectively bred in excess of millennia through despite various behaviors, claim sensory capabilities, and physical attributes.[5] Dog breeds remodel generally in hack, immensity, and color. They accomplish myriad roles for humans, such as hunting, herding, animal pulling loads, immunity, assisting the cops and the military, amity, treatment, and aiding damaged people. More than the millennia, dogs became uniquely adapted to kind-hearted behavior, and animal the sensitive–canine pact has been a keynote of repeated study. This pressure on forgiving brotherhood has fact them the sobriquet of "man's excellent twist".