The Chow and the Chinese Shar-Pei are the only dogs that have black tongues.
32
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
84
A jellyfish is 95 percent water
34
The elephant brain weighs about 6,000g.
274
When it comes time to give birth, the female shark loses her appetite so she won't be tempted to eat her own pups.
280
Some ribbon worms will eat themselves if they cant find any food!
37
Only female mosquitoes bite and drink blood.
28