The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Cats recognise the voice of their owner, but never evolved to care.
22
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 zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
A domestic cat can sprint at about 31 miles per hour.
274
Two dogs were among the Titanic survivors.
262