Early American humans hunted car-size armadillos and used their shells for houses.
12
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Only 3% of bird species have penises.
0
Lobsters have blue blood.
476
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
A dork is a whale's penis.
327
Jellyfish as a species are actually older than dinosaurs and sharks.
383