If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
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
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Alligators can live up to 100 years.
337
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Nicole Kidman is scared of butterflies.
65
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Cats sleep for 70% of their lives.
8