Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Dogs sometimes fake being sick to get attention.
26
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
A dairy cow can produce more milk when listening to music.
446
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
When you shave a guinea pig it looks like a little hippo.
19