Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The penguin is the only bird that can swim, but cannot fly.
1
The praying mantis is the only insect that can turn its head!
95
The reindeer is the only mammal that can see UV light.
17
A hedgehog's heart beats 300 times a minute on average!
14
Freddie Mercury held parties with midgets carrying around trays of cocaine.
8
Cats sleep for 70% of their lives.
8
Dogs can make about 100 different facial expressions.
18