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
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
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
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17