A pet is a domesticated animal kept for companionship and enjoyment of a person, unlike wild animals or livestock animal laboratory or sport animals, which are kept for economic reasons or productive . The most popular pets are noted for their loyal or playful characteristics, for their attractive appearance. Pets also generally seem to provide their owners with health benefits, keeping pets has been shown to help relieve stress to those who like having animals around. There is now a medically approved class of “therapy animals,” mostly dogs, who took to visit confined humans. Walking the dog can provide both the owner and the dog with exercise, fresh air, and social interaction. The most popular pets are dogs and cats, but there are also pet rodents such as gerbils, hamsters, chinchillas, rats, luxury, and guinea pigs, pet birds, like canaries, parakeets, parrots, pet reptiles, such as pet lizards and snakes and waterfowl, such as tropical fish and frogs.
