Cat vocalizations - The Definitive Guide to Cat Behavior and Body Language | Cats, like human-beings, reveal their inner states through their body language. Tuft and Paw has both a cat behaviorist and a veterinarian on our team, so we have a lot of insight into why cats behave a certain way.For this guide, we sat down with Feline Behavior Expert Marci Koski to figure out exactly how to tell the difference between a cat that’s anxious, fearful, or angry and one that’s friendly and comfortable.