One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
Only 3% of bird species have penises.
0
Female kangaroos have three vaginas.
2
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
A group of unicorns is called a blessing.
304