A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Denmark has twice as many pigs as there are people.
66
A group of pugs is called a grumble.
10
Sharks have been on the planet longer than trees.
14
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
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9