Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
The head of a jellyfish is called the "Bell."
6
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217