A shrimp's heart is in its head.
32
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Female kangaroos have three vaginas.
2
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Some ribbon worms will eat themselves if they can't find any food.
-33
Many hamsters only blink one eye at a time.
185