Dogs have been man's pet for over 14,000 years.
224
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
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
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Female kangaroos have three vaginas.
2
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492