Cats. While cats may seem mysterious to some to others, understanding a cat is simply a matter of paying attention, watching the cat's body language and responding accordingly. Cats use a variety of ways to communicate their feelings, needs and desires. A cat's tail. Watching the position of a cat's tail is a great way to decipher how the cat is feeling. Taylor.

This is a happy, cheerful cat, who is most likely approachable, tail down. This may indicate a cat who is scared or threatened to moving rapidly back and forth. A cat's wagging tail isn't the same as a dog's happy tail wagging gesture of fast bumping tail is a good indicator that a cat is agitated and should be left alone. Tail moving slowly back and forth. If a cat is trying to decipher this situation. He may move his tail back and forth slowly as he makes up his mind about how he feels.

Halloween cat tail. Yes, cats with Halloween cat tails are scary. A cat in this stance is not in a good mood and is trying to appear larger and scarier than he is.