Jellyfish as a species are actually older than dinosaurs and sharks.
383
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
Domestic pigs average a top speed of about 11 miles per hour.
182
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
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
Cats recognise the voice of their owner, but never evolved to care.
22