Speaking for the furry ones on this earth...

Why Do Cats Scratch Carpet?

Cats scratch carpet when they are upset about something.

Is there a little spot of carpet at the bottom of the stairs, outside your bedroom door, or underneath the window that is being scratched up by your cat? If so, you're probably wondering why your cat is scratching your carpet and how to make her stop. Take a look at this article, written by a veterinarian, that explains the behavior of carpet-scratching: "Why Does My Cat Scratch My Carpet?"