Asio otus, a species of owl which breeds in Europe, Asia, and North America. Long eared owls are partially migratory, moving south in winter from the northern parts of their range.

plural of long-eared owl

Any of many vesper bats with ears longer than bats of similar size, especially the brown long-eared bat or common long-eared bat (Plecotus auritus), of Eurasia.

(Australia, euphemistic) A rabbit.

plural of long-eared guinea pig

Alternative form of little pitchers have big ears