: Cats are obligate carnivores and the most specialized hunters among mammals. They have five toes on their front paws, four on their back, and most have retractable claws .

: Cats need vertical space, scratching posts to protect furniture, and mental stimulation like "zoomies" after using the litter box. Historical Significance Humans and cats have co-evolved for nearly 10,000 years .

: Products like kitty litter (invented in 1950) and commercial food have made it easier than ever to keep cats as strictly indoor pets. Literary & Cultural Impact

: Because they are obligate carnivores, they require specific nutrients found in meat, such as taurine and arginine ; a lack of these can be fatal.

: They were sometimes feared as demons associated with witchcraft before being welcomed back into homes to control rat populations.