A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30
Tigers can see 6 times better at night than humans.
305
At 188 decibels, the whistle of the blue whale is the loudest sound produced by any animal
34
The cicada, a fly found in Africa, spends 17 years of its life sleeping; and only two weeks is awake during which mates and then dies.
33
Alligators can live up to 100 years.
337
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21