Some animal videos are cute and cuddly, but others remind us that nature can be brutal as well as beautiful. An excellent example is this YouTube clip capturing a vicious fight between some lions.

A faulty door at the Columbus Zoo and Aquarium's lion enclosure led to the death of a lioness and injuries to a male lion in April. The zoo determined a window in the door created a structural ...

The 19-year-old victim climbed up the side structure of the animal's cage in a Brazilian zoo and lowered himself into the enclosure by sliding down a tree.