Sheep, goats, octopuses, and toads have rectangular pupils.
7
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
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