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
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Cows can sleep standing up, but they can only dream lying down.
745
There are approximately three chickens for every human on Earth.
13
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Rattlesnake mating sessions have been known to last more than 22 hours.
232
A cow produces around 200,000 glasses of milk in her lifetime.
373
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26