There's a rare breed of pig that looks like a sheep.
14
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Jellyfish as a species are actually older than dinosaurs and sharks.
383