@petfacts

Cats are the world's most popular pets, outnumbering dogs by as many as three to one

The largest cat breed is the Ragdoll. Male Ragdolls weigh between 12 and 20 lbs (5.4-9.0 k). Females weigh between 10 and 15 lbs (4.5-6.8 k).

A cat named Dusty, aged 1 7, living in Bonham, Texas, USA, gave birth to her 420th kitten on June 23, 1952.

Dogs are natural pack animals.

Baking chocolate is the most dangerous chocolate to your cat.

Dogs cannot distinguish between red and green as these colors would appear as shades of grey to a dog.

The Maine Coon is 4 to 5 times larger than the Singapura, the smallest breed of cat.

Cats often overract to unexpected stimuli because of their extremely sensitive nervous system.

A cat has approximately 60 to 80 million olfactory cells (a human has between 5 and 20 million).

There are approximately 100 breeds of cat.

Police dogs can smell human bodies even when they are buried up to 3 meters in the ground.

Paul McCartney of the Beatles recorded a high pitched whistle at the end of "A Day in the Life" for his dog.

A dog's whiskers are used to help navigate and detect objects.

The first formal cat show was held in England in 1871; in America, in 1895.

Dogs belong to a biological family called the Canidae, a member of this family is called a canid. This is the origin of the adjective "canine" which means "of or like a dog, relating to or characteristic of dogs".