Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23