The cicada, a fly found in Africa, spends 17 years of its life sleeping; and only two weeks is awake during which mates and then dies.
33
A scorpion can hold its breath for up to 6 days.
19
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 killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30
Bats sleep 18-20 hours per day.
5
The ant can lift things 10 times its own weight.
33
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19