Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Parrot parents "name" their children with a signature call.
112
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
A cow produces around 200,000 glasses of milk in her lifetime.
373
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
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255