What animals have three letters?

ant ape bat bee cat cow dog eel elk emu fox hog jay owl pig rat yak hen doe ewe pup kit hob cub sow

Ant ape asp ass auk bat bee boa cat cod cow cub cur doe dog eel elk emu ewe fly fox gar goa gnu hen hob hog jay kea kit MAN nag nit ork owl pig pup ram rat sow yak