Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Sloths take two weeks to digest their food.
243
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
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Condoms were originally made of animal intestines or linen.
347