Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Alligators can live up to 100 years.
337
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
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
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25