The Basenji dog is the only dog that is not able to bark.
4
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
A giraffe's kick is so powerful that it can decapitate a lion.
216
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
In Australia, there are spiders big enough to eat snakes.
20
A 42-foot sperm whale has about 7 tons of oil in it.
209
