Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Penguins have a gland above their eye that turns saltwater into freshwater.
12
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Bats sleep 18-20 hours per day.
5
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