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 and dogs can hear ultrasound.
350
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Gorillas can catch human colds and other illnesses.
205
Bats sleep 18-20 hours per day.
5
There's a lizard known as the 'Jesus Lizard' that can run across water.
11