Why Do Cats Instinctively Use Litter Box. Usually you start young, as a kitten, by picking up the accident (poop, or soaking the pee in toilet paper and burying it in the litter) and placing the kitten in the litter. The reason cats use a litter box is easily summed up in this quote from petsmart resident veterinarian jordan cassidy, dvm, “cats have an inherent desire to bury their waste in order to cover their scent from other animals.

Cats may be easily trained to use a kitty litter box or tray, as this is natural behavior. Privacy to encourage your cat to automatically utilize the litter box, make sure the location is ideal. This instinct derives from the use of urine and feces to mark territory.