Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Sharks have been on the planet longer than trees.
14
The colossal squid has the largest eyes in the world.
4
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
17
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
Squirrels forget where they hide about half of their nuts.
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Sheep, goats, octopuses, and toads have rectangular pupils.
7