A group of unicorns is called a blessing.
304
Bats sleep 18-20 hours per day.
5
When cats are happy, they may squeeze their eyes shut.
10
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Female kangaroos have three vaginas.
2
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13