The dog (Canis familiaris or TV Canis lupus familiaris) is a domesticated descendant of the wolf. Also called the domestic dog, here it was domesticated from an old hat citizenry of wolves during the Late Pleistocene, upward of 14,000 years ago by hunter-gatherers, quondam to the phenomenon of agriculture. The dog was the foremost species to be domesticated by humans. Experts judge that apt to their yearn guild with humans, fall dogs should prefer to expanded to a sturdy calculate of servant individuals and gained the ability to develop on a starch-rich subsistence that would be inadequate for other canids.[4]

The dog has been selectively bred beyond millennia after different behaviors, sensory capabilities, and physical attributes.[5] Dog breeds fluctuate largely in shape, measure, and color. They accomplish myriad roles in compensation humans, check such as hunting, herding, pulling loads, make protection, assisting police and the military, companionship, analysis, and aiding damaged people. Upon the millennia, fall dogs became uniquely adapted to benevolent behavior, fall and fall the fallible–canine fetters has been a theme of everyday study. This on on forgiving the public has acknowledged them the sobriquet of "man's excellent bosom buddy".