In mammalogy:

• Alpine Long-Eared Bat, recently discovered species of bat
• Brown long-eared bat, fairly large European bat
• Gould's Long-eared Bat, microbat found in eastern Australia from Queensland to Victoria as well as in south-west Western Australia
• Indian Long-eared Hedgehog, relatively small hedgehog native to India and Pakistan
• Long-eared Flying Mouse, species of flying mouse from western and central Africa
• Long-eared Hedgehog, species of hedgehog native to Central Asian countries and the Caucasus mountains

In other fields:

• Long-eared Owl, species of owl which breeds in Europe, Asia, and North America
• Nestor, the Long-Eared Christmas Donkey, television program created by Rankin/Bass