One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
When dragonflies mate, their tails form a love heart.
22
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
Denmark has twice as many pigs as there are people.
66
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Sharks have been on the planet longer than trees.
14
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205