Cows can sleep standing up, but they can only dream lying down.
745
Lobsters have blue blood.
476
The elephant brain weighs about 6,000g.
274
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
A 42-foot sperm whale has about 7 tons of oil in it.
209
Dolphins have names for one another.
18