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    https://en.wikipedia.org › wiki › Dog

    Dog - Wikipedia

    • The dog (Canis familiaris or Canis lupus familiaris) is a domesticated descendant of the wolf. Also called the domestic dog, it was selectively bred from an extinct population of wolves during the Late Pleistocene by hunter-gatherers. The dog was the first species to be domesticated by humans, over 14,000 years ago and before the development of … See more

    Taxonomy

    Dogs are domesticated members of the family Canidae. They are classified as a subspecies of Canis lupus, along with wolves and dingoes. Dogs were domesticated from wolves over 14,000 years ago by … See more

    Anatomy and physiology

    Dogs are extremely variable in size, ranging from one of the largest breeds, the Great Dane, at 50 to 79 kg (110 to 174 lb) and 71 to 81 cm (28 to 32 in), to one of the smallest, the Chihuahua, at 0.5 to 3 kg (1.1 to 6.6 lb) a… See more

    Health

    Numerous disorders have been known to affect dogs. Some are congenital and others are acquired. Dogs can acquire upper respiratory tract diseases including diseases that affect the nasal cavity, the larynx, … See more

    Behavior

    Dog behavior has been shaped by millennia of contact with humans. They have acquired the ability to understand and communicate with humans and are uniquely attuned to human behaviors. Behavioral … See more

    Ecology

    The dog is the most widely abundant large carnivoran living in the human environment. In 2020, the estimated global dog population was between 700 million and 1 billion. In the same year, a study found the dog to be t… See more

    Roles with humans

    The domesticated dog originated as a predator and scavenger. They inherited complex behaviors, such as bite inhibition, from their wolf ancestors, which would have been pack hunters with complex body language. … See more

    Terminology

    • Dog – the species (or subspecies) as a whole, also any male member of the same.
    • Bitch – any female member of the species (or subspecies).
    • Puppy or pup – a young member of the species (or subspecies) under 12 m… See more

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