A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Sharks have been on the planet longer than trees.
14
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
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Elephants are terrified of Bees and actually have a special, distinct vocalization for “Run away the Bees are angry”
49