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
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
The Basenji dog is the only dog that is not able to bark.
4