Are elephants evolving to lose their tusks?
More and more elephants are born without tusks due to poaching.
And even more
The octopus is very good at fleeing away from predators
How the sidewinder rattlesnake moves around
The Melibe are sought-after by many underwater photographers
Brazil: Cerrado's giant termite mounts
How do porcupines defend themselves?
Meet the sea robin, a fish with legs and "wings"