When cats are happy, they may squeeze their eyes shut.
10
Ants tend to survive in a microwave because they find the coolest spot and wait!
17
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Denmark has twice as many pigs as there are people.
66
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Tigers can see 6 times better at night than humans.
305
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6