Transcript for Understanding Your Pets
Finally tonight a new translation of the language of dogs and cats. Could we be entirely wrong when we see that tail wagging. Linzie janis on listening on the animals. Reporter: Pets aren't always this education to read. A lot of tail wagging. He'll stick out his lower tooth like this. Reporter: Researchers say there may be some, shall we say, misunderstanding between us. Scientists in japan used high speed cameras to track doggy facial expressions and they found similar patterns in how they behave. Raised eye brows, especially the left one means I'd like your attention. They notice the dog's left ear moves back expressing fear. Looking away is definitely a sign that she's a little bit not very happy. Reporter: In dog speak that means I'm being polite, avoiding confrontation. Cats are more complicated. In bring animal scientists came up with a self-help video for cat owners looking to decode their mysterious ways, like this kitty rolling over, think this means rub my belly, please. Not quite. In fact, that would be a violation of trust. It's telling you rub my head and not for too long. Cats like a lot of money time. Next time you think kitty neesds a big hug or fido is care free, take a closer look. After all, communication is everything. I think it's all just love.
This transcript has been automatically generated and may not be 100% accurate.