A Koala Bear sleeps 22 hours of every day.
20
The elephant brain weighs about 6,000g.
274
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Elephants, lions, and camels roamed Alaska 12,000 years ago.
32
Humans and dolphins are the only species that have sex for pleasure.
61
The sloth (a mammal) moves so slowly that green algae can grow undisturbed on its fur!
104
A blue whale's heart is the size of a Volkswagen Beetle!
37