One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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When dragonflies mate, their tails form a love heart.
22
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Lurch, a Watusi bull, had the largest horns in the world.
32
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A group of unicorns is called a blessing.
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