Other than Humans do other species

I've read mice laugh.


Don't know if it's true.


Why them, right?

What an amazing question

I literally have never thought about that before


You are very cool

Yes, absolutely.
Dogs waving tail is letting you know about many things.
They do not express this with facial/emotional changes in face as we do. Some dogs are even smiling, when they see you.. teeth are visible, but with closed mouth. So nice to see!

Elephants

Cats are assholes.

That's all I have to say.