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In 1987, cats overtook dogs as the number one pet in America (about 50 million cats resided in 24 million homes in 1986). About 37% of American homes today have at least one cat.

I guess I'm behind in the times. I don't have any cats

Cats have individual preferences for scratching surfaces and angles. Some are horizontal scratchers while others exercise their claws vertically.

All cats have claws, and all except the cheetah sheath them when at rest.

A cat has 230 bones in its body. A human has 206. A cat has no collarbone, so it can fit through any opening the size of its head.