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
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Sloths take two weeks to digest their food.
243
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40