The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Drivers kill more deer than hunters do.
660
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20