Cats, dogs, rabbits...
With ears
No, they don't. Animals communicate and hear differently. Some don't even hear at all
they can hear sound in ears
Animals that have pointed ears usually can hear better. Animals that have floppy ears can't hear as well.
you can hear by sound wave and ears
Not all animals that hear have external ears like many mammals do, but many can sense the vibrations that we perceive as sound through other sensory organs, which you might call "ears".
It is smaller animals that can move their ears in different directions. Such animals need to hear the sounds made by smaller predators. Larger animals do not need that skill and do not have it. Instead, humans depend more on sight. Humans frequently stay in herds with at least one looking behind for a predator. Other large animals stay in herds. They do not move their ears. Instead, they watch. The noise large predators make does not carry far. So, they do not hear a lion walking. They can see him coming.
Pigs Do I Think, When They Hear A Loud Noise Their Ears Twitch
In our ears the sound vibrates and makes the sound
It is to show other animals, as making a noise could result in them being killed.
Sound is something that travels in waves and we hear with our ears.
It is to hear sound