Kangaroo males boxing on the shore of a lake, Kangaroos fighting, kicking each other on green grass with scenic trees and lake view© Breathes/Shutterstock.com Many people pay to watch their favorite ...

A kangaroo puts a dog in a headlock. A man rushes in to help and punches the 'roo in the face. The whole thing is caught on video. Cue internet meltdown. Eric Mack has been a CNET contributor since ...