To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
84
Lurch, a Watusi bull, had the largest horns in the world.
32
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
A species of earthworm in Australia grows up to 10 feet in length.
10
A cow produces around 200,000 glasses of milk in her lifetime.
373
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
Over one million stray dogs live in the New York City metropolitan area.
-10