A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
A giraffe's kick is so powerful that it can decapitate a lion.
216
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
A dairy cow can produce more milk when listening to music.
446
Whales and dolphins can't taste anything other than salt.
11