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
Alligators can live up to 100 years.
337
The reindeer is the only mammal that can see UV light.
17
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
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Bats sleep 18-20 hours per day.
5