A scorpion can hold its breath for up to 6 days.
19
Dolphins have names for one another.
18
When you shave a guinea pig it looks like a little hippo.
19
The octopus does not have a blind spot.
273
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