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Dogs have made 11 vertebrate species extinct and are identified as a 'potential threat' to at least 188 threatened species worldwide; [162] another figure is that dogs have also been linked to the extinction of 156 animal species. [163] Dogs have been documented to have killed a few birds of the endangered species, the kagu, in New Caledonia. [164]
Canidae (/ ˈ k æ n ɪ d iː /; [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 (/ ˈ k eɪ n ɪ d /). [4] The family includes three subfamilies: the Caninae, and the extinct Borophaginae and Hesperocyoninae. [5]
The genus Canis (Carl Linnaeus, 1758) was published in the 10th edition of Systema Naturae [2] and included the dog-like carnivores: the domestic dog, wolves, coyotes and jackals. All species within Canis are phylogenetically closely related with 78 chromosomes and can potentially interbreed . [ 4 ]
10 of the 13 extant canid genera left-to-right, top-to-bottom: Canis, Cuon, Lycaon, Cerdocyon, Chrysocyon, Speothos, Vulpes, Nyctereutes, Otocyon, and Urocyon Canidae is a family of mammals in the order Carnivora, which includes domestic dogs, wolves, coyotes, foxes, jackals, dingoes, and many other extant and extinct dog-like mammals.
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".
The domestic dog is a divergent subspecies of the gray wolf and was derived from an extinct population of Late Pleistocene wolves. [ 8 ] [ 31 ] [ 32 ] Through selective pressure and selective breeding , the domestic dog has developed into hundreds of varied breeds and shows more behavioral and morphological variation than any other land mammal.
Dogs are perhaps best known for being loving and loyal, but they also have a bevy of lesser-known (and quite fascinating) traits. Here are 10 incredible scientific discoveries about them: Number ...
Its taxonomic classification is debated as indicated by the variety of scientific names presently applied in different publications. It is variously considered a form of domestic dog not warranting recognition as a subspecies , a subspecies of dog or wolf , or a full species in its own right.