The reindeer is the only mammal that can see UV light.
17
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
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
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
A lion in the wild usually makes no more than twenty kills a year.
186