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The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the gray wolf.Also called the domestic dog, it was selectively bred from an extinct population of wolves during the Late Pleistocene by hunter-gatherers.
Sometimes included within Canis familiaris when the domestic dog is recognised as a species. [30] C. l. familiaris Domestic dog but refer Synonyms: Linnaeus, 1758 The domestic dog is a divergent subspecies of the gray wolf and was derived from an extinct population of Late Pleistocene wolves.
In a study done in 2017, it was found that in some species of canids females use their sexual status to gain food resources. The study looked at wolves and dogs. Wolves are typically monogamous and form pair-bonds; whereas dogs are promiscuous when free-range and mate with multiple individuals. The study found that in both species females tried ...
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]
In 2016, a whole-genome DNA study suggested that all of the North American canids, both wolves and coyotes, diverged from a common ancestor 6,000–117,000 years ago. The whole-genome sequence analysis shows that two endemic species of North American wolf, the red wolf and eastern wolf, are admixtures of the coyote and gray wolf.
The list of organisms by chromosome count describes ploidy or numbers of chromosomes in the cells of various plants, animals, protists, and other living organisms.This number, along with the visual appearance of the chromosome, is known as the karyotype, [1] [2] [3] and can be found by looking at the chromosomes through a microscope.
Image credits: dogswithjobs There’s a popular saying that cats rule the Internet, and research has even found that the 2 million cat videos on YouTube have been watched more than 25 billion ...
In this treatment it is a subspecies of Canis lupus, the wolf (the domestic dog is treated as a different wolf subspecies), although other treatments consider the dog as a full species, with the dingo and its relatives either as a subspecies of the dog (as Canis familiaris dingo), a species in its own right (Canis dingo), or simply as an ...