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
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
Koala Bears are not bears.
34
A cow produces around 200,000 glasses of milk in her lifetime.
373
A blue whale's aorta (the main blood vessel) is large enough for a human to crawl through.
52
Most tropical marine fish could survive in a tank filled with human blood.
54
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Baby rabbits are called kittens.
6