It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Sharks have been on the planet longer than trees.
14
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
The reindeer is the only mammal that can see UV light.
17
Jellyfish as a species are actually older than dinosaurs and sharks.
383