A group of unicorns is called a blessing.
304
Cats recognise the voice of their owner, but never evolved to care.
22
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
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
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Cats and dogs can hear ultrasound.
350