The largest earthworm on record was found in South Africa and measured 22 feet.
151
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
The cat brain weighs about 30g.
167
Condoms were originally made of animal intestines or linen.
347
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
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