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

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 scientists thought that a set of social-cognitive … See more

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. These sophisticated forms of social cognition … See more

Size and skeleton
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 … See more

Many different disorders can affect dogs. Some are congenital and others are acquired. Dogs can acquire upper respiratory tract … See more

Population
The dog is probably the most widely abundant large carnivoran living in the human environment. In 2020, the estimated global dog … See more

• 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 … See more