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
Condoms were originally made of animal intestines or linen.
347
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Penguins have a gland above their eye that turns saltwater into freshwater.
12
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9