A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30
The male gypsy moth can "smell" the virgin female gypsy moth from 1.8 miles away!
55
A full-grown bear can run as fast as a horse.
35
Only female mosquitoes bite and drink blood.
28
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Freddie Mercury held parties with midgets carrying around trays of cocaine.
8
Most elephants weigh less than a blue whale's tongue.
442
Some lions mate over 50 times a day.
61