The elephant brain weighs about 6,000g.
274
There are approximately three chickens for every human on Earth.
13
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Whales and dolphins can't taste anything other than salt.
11
When dragonflies mate, their tails form a love heart.
22