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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 is derived from the extinct Pleistocene wolf; the gray wolf is the dog's closest living relative. The dog was the first species to be domesticated by humans.
Montage showing the morphological variation of the dog. A dog breed is a particular type of dog that was purposefully bred by humans to perform specific tasks, such as herding, hunting, and guarding. Dogs are the most variable mammal on Earth, with artificial selection producing upward of 360 globally recognized breeds.
Dogs were the first domesticated species, the only animal known to have entered into a domestic relationship with humans during the Pleistocene, and the only large carnivore to have been domesticated.
This list of dog breeds includes both extant and extinct dog breeds, varieties and types. A research article on dog genomics published in Science/AAAS defines modern dog breeds as "a recent invention defined by conformation to a physical ideal and purity of lineage".
Canidae (/ ˈ k æ n ɪ d iː /; from Latin, canis, "dog") is a biological family of dog-like carnivorans, colloquially referred to as dogs, and constitutes a clade. A member of this family is also called a canid (/ ˈ k eɪ n ɪ d /). The family includes three subfamilies: the Caninae, the extinct Borophaginae and Hesperocyoninae.
Zoology and anatomy. Animals of the family Canidae, more specifically the subfamily Caninae, which includes dogs, wolves, foxes, jackals and coyotes. Canis, a genus that includes dogs, wolves, coyotes, and jackals. Dog, the domestic dog.
Dog anatomy comprises the anatomical study of the visible parts of the body of a domestic dog. Details of structures vary tremendously from breed to breed, more than in any other animal species, wild or domesticated, as dogs are highly variable in height and weight.
A "dog type" can be referred to broadly, as in gun dog, or more specifically, as in spaniel. Dogs raised and trained for a specific working ability rather than appearance may not closely resemble other dogs doing the same work, or any of the dogs of the analogous breed group of purebred dogs.
A German Shepherd is a type of dog. Dogs are mammals, usually kept as pets or for work on farms or the police. Some dogs are trained to be rescue dogs, and join teams such as mountain rescue. They have been bred by humans from their ancestral wolves. They were the first animals to live with humans, as far as we know.
The dog ( Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the wolf. Also called the domestic dog, it is derived from the extinct Pleistocene wolf; the gray wolf is the dog's closest living relative. The dog was the first species to be domesticated by humans.
