When cats are happy, they may squeeze their eyes shut.
10
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Moths are unable to fly during an earthquake.
328
A giraffe's kick is so powerful that it can decapitate a lion.
216
Sheep, goats, octopuses, and toads have rectangular pupils.
7