It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
The seahorse is the only fish to have a neck.
12