Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
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
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Condoms were originally made of animal intestines or linen.
347