Also known as the western big-eared bat, the long-eared bat, and the lump-nosed bat, its appearance is defined by a pair of outsize ears and a lump-adorned nose. These bats, whose bodies are ...

Millions of years ago marine animals had hearing organs that ... sound energy that gets to the fluids of the inner ear. There is a tube (called the Eustachian tube) that connects the middle ear to the ...