A canine carnivorous mammal that has been domesticated for at least 14,000 years….
A dog is a mammal in order carnivore. Dogs were domesticated from wolves as recently as 15,000 years ago. Dogs were first domesticated in East Asia and the first people to enter North America took dogs with them from Asia. There are 14 ancient dog breeds with the oldest being the chow chow, shar pei, akita inu, shiba inu and basenji. Overtime, the dogs have developed into hundreds of breeds with a great degree of variation.
Dogs, like humans, are highly social animals and this similarity in their overall behavioral pattern accounts for their trainability, playfulness and ability to fit into human households and social situations. The loyalty and devotion that dogs demonstrate as part of their natural instincts as pack animals closely mimics the human idea of love and friendship, leading many dog owners to view their pets as full-fledged family member.
Primarily, dogs fill a variety of roles in human society and are often trained as working dogs. In most countries, the most common and perhaps most important role of dogs are as companions. Dogs have lived with and worked with humans in so many roles that their loyalty has earned them the unique sobriquet “man’s best friend.” Conversely, some cultures consider dogs to be unclean. In some parts of the world, dogs are raised as livestock to produce meat for human consumption. In some places, consumption of dog meat is discouraged by social convention or cultural taboo.
The English word dog, in common usage, refers to the domestic pet dog, canis lupus familiaris. In breeding circles, a male canine is referred to as a dog, while a female canine is called a bitch. Offspring are genetically called pups or puppies until they are about a year old. A group of offspring is a litter. The process of birth is whelping.
Border Collies are noted for their ability to learn commands, while other breeds...