Cows can sleep standing up, but they can only dream lying down.
745
When cats are happy, they may squeeze their eyes shut.
10
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
16
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
There are approximately three chickens for every human on Earth.
13
A dairy cow can produce more milk when listening to music.
446