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Cats are subject to gum disease and to dental caries. They should have their teeth cleaned by the vet or the cat dentist once a year.

Cats also sleep more than any animal I know.

Cats control the outer ear using 32 muscles; humans use 6

cats seem to be more nocturnal also

A female cat will be pregnant for approximately 9 weeks or between 62 and 65 days from conception to delivery.

9 weeks for cats, 9 months for humans

In just seven years, a single pair of cats and their offspring could produce a staggering total of 420,000 kittens.

That is absolutely mind-boggling, but I know it's true. Wow