One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
When cats are happy, they may squeeze their eyes shut.
10
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Squirrels forget where they hide about half of their nuts.
698