Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Squirrels forget where they hide about half of their nuts.
698
The world's largest amphibian is the giant salamander. It can grow up to 5 ft. in length.
66
Over 10,000 birds a year die from smashing into windows.
47
Frogs cannot swallow without blinking.
41
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
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
The oldest recorded elephant lived for 82 years.
213