Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Cats and dogs can hear ultrasound.
350
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 bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
A puppy is born blind, deaf, and toothless.
16