The BBC has angered its viewers by showing a pride of lions killing an elephant on the latest episode of Planet Earth. Despite receiving a number of complaints, the Beeb still went ahead and showed the savage slaying of everyone's favourite big, floppy-eared friend.Nature can be pretty brutal. Here are some further examples…Lion vs TigerShark vs SealPolar Bear vs WalrusZombie vs SharkMidget vs Midget
