A blue whale's aorta (the main blood vessel) is large enough for a human to crawl through.
52
Male monkeys lose the hair on their heads in the same way men do.
41
Koala Bears are not bears.
34
The oldest recorded elephant lived for 82 years.
213
A group of frogs is called an army.
51
Snails breathe through their feet.
34
The penguin is the only bird who can swim, but not fly!
90
