Cows can sleep standing up, but they can only dream lying down.
745
Nicole Kidman is scared of butterflies.
65
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
The octopus does not have a blind spot.
273
Denmark has twice as many pigs as there are people.
66
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18