This great BBC clip shows how certain animals can be put into hypnotic trance. Evolutionary biologists theorize that these states may be used as a defense mechanism to avoid predators.
As you will see in the video, these animals become very still and almost “dead-like” after they enter state. Since most predators react to their prey based on movement, they often overlook their targets when these animals enter trance. In this video you will see hypnosis applied to chickens and alligators:
As a kid we always used to get the chickens to fall over by drawing a straight line on the ground, from their beaks on out. I guess that is kind of a hypnotic state they're in?
That alligator part reminded me of the movie Crocodile Dundee, where Mick would mesmerize animals with his outstretched hand. Maybe that's how he got his name Crocodile Dundee!
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The analysis on animal's hypnosis brought out the idea of avoid predators. As the video showed it worked for a chicken and alligators, at hypnotic trance they became Dead-like, which proves this phenomena strongly.