Jellyfish as a species are actually older than dinosaurs and sharks.
383
Dolphins have names for one another.
18
The seahorse is the only fish to have a neck.
12
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
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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Sloths take two weeks to digest their food.
243
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34