The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
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
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Sheep, goats, octopuses, and toads have rectangular pupils.
7