Jellyfish as a species are actually older than dinosaurs and sharks.
383
Tigers can see 6 times better at night than humans.
305
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8