A blue whale's aorta (the main blood vessel) is large enough for a human to crawl through.
52
Polar bear fur is not white, it's clear.
74
No one has ever been able to domesticate the African elephant. Only the Indian elephant can be trained by man.
39
The Wild Turkey is the only bird with a beard.
80
A crocodile always grows new teeth to replace the old teeth!
15
Only female mosquitoes bite and drink blood.
28
A blue whale's heart is the size of a Volkswagen Beetle!
37
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456