Dolphins sleep with one eye open!
52
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The Kangaroo Rat can last longer without water than a camel.
233
The world's smallest mammal is the bumblebee bat of Thailand, weighing less than a penny.
60
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
A domestic cat can sprint at about 31 miles per hour.
274
The male platypus has poisonous spurs on its legs.
58