A straight-legged jump performed by many species of bovids upon detecting a predator nearby. Animals such as the Thompson's gazelle and the Desert Mule Deer will leap stiff-legged into the air to make themselves noticeable to the predator they have detected.

Several theories have been advanced to explain why this behavior occurs -- some of them predicate this as a selfish behavior, others that it is an altruistic behavior.

The Handicap Principle and the Theory of Honest Signalling are two theories that would indicate this is a selfish behavior. These theories hold that the stotting animal is conveying to the predator that it would be useless to try and catch it -- a waste of time and energy. Go look for someone else. An altruistic explanation is that stotting attracts the predator's attention and diverts it from younger or weaker herd members.

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