When dragonflies mate, their tails form a love heart.
22
Sharks have been on the planet longer than trees.
14
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Cats sleep for 70% of their lives.
8
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
A group of pugs is called a grumble.
10
Cats and dogs can hear ultrasound.
350