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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.
Canidae ( / ˈkænɪdiː /; [ 3 ] 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 ( / ˈkeɪnɪd / ). [ 4 ] The family includes three subfamilies: the Caninae, and the extinct Borophaginae and Hesperocyoninae. [ 5 ]
standard. Dog ( domestic dog) The Labrador Retriever or simply Labrador is a British breed of retriever gun dog. It was developed in the United Kingdom from St. John's water dogs imported from the colony of Newfoundland (now a province of Canada ), and was named after the Labrador region of that colony. It is among the most commonly kept dogs ...
The Golden Retriever is a powerfully built, medium-sized breed of dog; according to the Kennel Club breed standard, dogs stand from 56 to 61 centimetres (22 to 24 in) and bitches from 51 to 56 centimetres (20 to 22 in). [ 7][ 10] Healthy adult examples typically weigh between 25 and 34 kilograms (55 and 75 lb). [ 11]
Boxer (dog breed) The Boxer is a medium to large, short-haired dog breed of mastiff-type, developed in Germany. The coat is smooth and tight-fitting; colors are fawn or brindled, with or without white markings. Boxers are brachycephalic (they have broad, short skulls), have a square muzzle, mandibular prognathism (an underbite), very strong ...
Dermacentor variabilis. Dermacentor variabilis, also known as the American dog tick or wood tick, is a species of tick that is known to carry bacteria responsible for several diseases in humans, including Rocky Mountain spotted fever and tularemia ( Francisella tularensis ). It is one of the best-known hard ticks.
Heller's names and the designations he gave to various jackal species and subspecies live on in current taxonomy, although the genus has been changed from Thos to Canis. [5] The wolf-like canids are a group of large carnivores that are genetically closely related. They all have 78 chromosomes. The group includes genus Canis, Cuon, and Lycaon.
Number 9: Dogs really do love their humans. There's scientific proof of it. MRI scans revealed that when presented with the scents of various people and canines, the reward centers of the dogs ...