Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
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
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Cats sleep for 70% of their lives.
8
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13