Cats recognise the voice of their owner, but never evolved to care.
22
Bats sleep 18-20 hours per day.
5
Moths are unable to fly during an earthquake.
328
There's a rare breed of pig that looks like a sheep.
14
When cats are happy, they may squeeze their eyes shut.
10
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
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8