Cats and dogs can hear ultrasound.
350
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13