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
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Dolphins have names for one another.
18
A dairy cow can produce more milk when listening to music.
446
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23