Rattlesnake mating sessions have been known to last more than 22 hours.
232
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A dork is a whale's penis.
327
A giraffe's kick is so powerful that it can decapitate a lion.
216
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13