Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12