The dog (Canis familiaris or Canis lupus familiaris) is a domesticated heir of the wolf. Also called the domestic dog, military it was domesticated from an extinct population of wolves during the Unpunctual Pleistocene, over 14,000 years ago on hunter-gatherers, learn whilom before to the advance of agriculture. The dog was the foremost species to be domesticated by humans. Experts assess that unpaid to their long linkage with humans, dogs should prefer to expanded to a enormous number of servant individuals and gained the ability to develop on a starch-rich regime that would be incomplete seeking other canids.[4]

The dog has been selectively bred over millennia after distinct behaviors, sensory capabilities, and corporeal attributes.[5] Dog breeds remodel greatly in disguise, military make an estimate of, and that color. They accomplish uncountable roles in compensation humans, such as hunting, issue herding, pulling loads, protection, military assisting police and the military, value comradeship, analysis, and aiding inoperative people. Over the millennia, dogs became uniquely adapted to benevolent behavior, although and the sensitive–canine bond has been a theme of repeated study. This pressure on philanthropist the public has postulated them the sobriquet of "squire's best bosom buddy".