Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
A giraffe can clean its ears with its 21-inch tongue!
31
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
A spider's silk is stronger than steel.
52