@petfacts

The oldest known dog bones were found in Asia and date as far back as 10,000 B.C. The first identifiable dog breed appeared about 9000 B.C. and was probably a type of Greyhound dog used for hunting.

Cats only sweat through their paws and nowhere else on their body

A dog's sense of smell is reduced by up to 40 percent when he's overheated and panting.

Dogs have sweat glands on their paws to help regulate their body temperature.

Mastiffs wore armor and were sent after mounted knights in Roman times.

A cat cannot see directly under its nose.

All dogs are identical in anatomy, with 321 bones and 42 permanent teeth.

Fifty-eight percent of people put pets in family and holiday portraits.

There is a species of cat smaller than the average housecat. It is native to Africa and it is the Black-footed cat (Felis nigripes). Its top weight is 5.5 pounds.

A form of AIDS exists in cats.

A cat uses its whiskers for measuring distances. The whiskers of a cat are capable of registering very small changes in air pressure.

Unlike humans, cats do not need to blink their eyes on a regular basis to keep their eyes lubricated.

Cats and kittens should be acquired in pairs whenever possible as cat families interact best in pairs.

A tiger's stripes are like fingerprints

President Calvin Coolidge owned at least a dozen dogs.