Why Do Cats Like to Be Petted at the Base of the Tail?

Why do cats act weird when you scratch the base of their tail?

Cats act weird when you scratch the base of their tail because of highly-sensitive nerve endings clustered at the tail’s base. A few gentle strokes might be soothing at first, but excessive tail petting could be overstimulating or painful. This scratching may mimic a sensual response in females.

Why do cats like being patted on the bum?

This is basically because a concentration of nerve endings make your cat’s butt the best place for them to get maximum pet-age for their efforts. The sensation of being scratched or petting stimulates the nerve endings and helps your cat feel happy and relaxed!