A 42-foot sperm whale has about 7 tons of oil in it.
209
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
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
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
The reindeer is the only mammal that can see UV light.
17
Mosquitoes don't just bite you, they also pee on you.
11
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82