Cats and dogs can hear ultrasound.
350
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
17
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10