When dragonflies mate, their tails form a love heart.
22
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Tigers can see 6 times better at night than humans.
305
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Early American humans hunted car-size armadillos and used their shells for houses.
12
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
The most expensive cow in the world was sold in 2009 for $1.2 million.
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