Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
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 has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9