The handicap principle is an idea proposed by the Israeli biologist Amotz Zahavi. It concerns the way in which animals communicate through their behaviour and anatomy, and makes the counterintuitive claim that certain forms of sexually selected behaviour, and anatomical features supporting them, may have evolved because they apparently act to reduce the chances of individual survival of the animal exhibiting the behaviour.

The reasoning supporting this claim depends on considering the question as to how an animal that is the recipient of communication can be assured that the information conveyed is accurate (that the signal is "honest"). The classic example is that of stotting in gazelles. This behaviour consists in the gazelle initially running slowly and jumping high when threatened by a predator such as a lion or cheetah. Traditionally, zoologists had believed that such behaviour might be adapted to alerting other gazelle to a cheetah's presence or might be part of a......

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Title: Handicap Principle
Approximate Word Count: 455
Approximate Pages: 2 (250 words per double-spaced page)

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