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Dog breed. 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. [1]
Cultural depictions of dogs. Cultural depictions of dogs in art has become more elaborate as individual breeds evolved and the relationships between human and canine developed. Hunting scenes were popular in the Middle Ages and the Renaissance. Dogs were depicted to symbolize guidance, protection, loyalty, fidelity, faithfulness, alertness, and ...
The domestication of the dog was the process which led to the domestic dog. This included the dog's genetic divergence from the wolf, its domestication, and the emergence of the first dogs. Genetic studies suggest that all ancient and modern dogs share a common ancestry and descended from an ancient, now-extinct wolf population – or closely ...
S. Dog breeds originating in Serbia (3 P) Dog breeds originating in Slovakia (5 P) Dog breeds originating in Slovenia (1 P) Dog breeds originating in the Soviet Union (15 P) Dog breeds originating in Spain (12 C, 7 P) Dog breeds originating in Sweden (13 P) Dog breeds originating in Switzerland (13 P)
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". [1] According to BigThink, over 40% of the world's dog breeds come from the ...
Dogs have been bred for desired behaviors, sensory capabilities, and physical attributes. [5] Dog breeds vary widely in shape, size, and color. They have the same number of bones (with the exception of the tail), powerful jaws that house around 42 teeth, and well-developed senses of smell, hearing, and sight.
Dogs in Mesoamerica. Dogs in Mesoamerica of various sorts are known to have existed in prehispanic times as shown by archaeological and iconographical sources, and the testimonies of the 16th-century Spaniards. In the Central Mexican area, there were three breeds: the medium-sized furred dog (itzcuintli), the medium-sized hairless dog ...
In 2012, there were 83.3 million dogs and about 47% of households had a dog. [48] 70% of the owners had only one dog, 20% of the owners had two dogs, and 10% of the owners had three or more dogs. [48] In 2017 there was an average of 1.5 pet dogs per household. [49]