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
Tigers have striped skin, not just striped fur!
78
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Owls are one of the only birds who can see the color blue!
58
The average city dog lives three years longer than the average country dog.
38
Honeybees have a type of hair on their eyes!
22
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Spiders have transparent blood.
56