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
Only 3% of bird species have penises.
0
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Whales and dolphins can't taste anything other than salt.
11
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12