The elephant brain weighs about 6,000g.
274
A 42-foot sperm whale has about 7 tons of oil in it.
209
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
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
Two dogs were among the Titanic survivors.
262