Bats sleep 18-20 hours per day.
5
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14