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
The elephant brain weighs about 6,000g.
274
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2