There's a rare breed of pig that looks like a sheep.
14
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Rattlesnake mating sessions have been known to last more than 22 hours.
232
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
A 42-foot sperm whale has about 7 tons of oil in it.
209
Squirrels forget where they hide about half of their nuts.
698
A giraffe's kick is so powerful that it can decapitate a lion.
216