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
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
There are approximately three chickens for every human on Earth.
13
A lion in the wild usually makes no more than twenty kills a year.
186
Dolphins have names for one another.
18
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
Dogs have been man's pet for over 14,000 years.
224