It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8