Cows can sleep standing up, but they can only dream lying down.
745
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The oldest recorded elephant lived for 82 years.
213
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
A lion in the wild usually makes no more than twenty kills a year.
186
Domestic pigs average a top speed of about 11 miles per hour.
182