Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
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
Nicole Kidman is scared of butterflies.
65
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17