The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Alligators can live up to 100 years.
337
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11