Watch this secretary bird practise its vicious stomping technique used to kill snakes

Watch as this 9-year-old secretary bird practises its stomping technique used to stun and kill snakes in the wild.

Watch as this 9-year-old secretary bird practises its stomping technique used to stun and kill snakes in the wild.

A zookeeper at San Diego Zoo wiggles a plastic snake around seeing the bird spring into action by slamming its feet onto the toy.

The bird can deliver kicks with a force four or five times its own body weight.