A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Whales and dolphins can't taste anything other than salt.
11
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
Sharks, like other fish, have their reproductive organs in their chests.
248
Rattlesnake mating sessions have been known to last more than 22 hours.
232