Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
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
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Giant Anteaters' front legs look like a panda.
48
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