The Basenji dog is the only dog that is not able to bark.
4
A giraffe's kick is so powerful that it can decapitate a lion.
216
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
A scorpion can hold its breath for up to 6 days.
19
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17