Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Lurch, a Watusi bull, had the largest horns in the world.
32
Moths are unable to fly during an earthquake.
328
Nicole Kidman is scared of butterflies.
65
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23