When cats are happy, they may squeeze their eyes shut.
10
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Tigers can see 6 times better at night than humans.
305
When dragonflies mate, their tails form a love heart.
22
Bats sleep 18-20 hours per day.
5
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Cats and dogs can hear ultrasound.
350