Animal behavior march 4th

Animal behavior march 4th - Predator/ Anti-predator Tactics...

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Predator/ Anti-predator Tactics The Scream – emitted just prior to being captured Why scream when attacked? Startle the predator and possibly delay attack Alert conspecifics of danger Enlist help from others Attract other, mightier predators to attack Frogs and rabbits scream Signaling theory study of understanding the adaptive advantages of costly displays (such as stotting and plumage)
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Predator/ Anti-predator Tactics Stotting: ungulates body, displays white rump, flick tail, and leap up and down when a predator gives chase. It is actually adaptive to do stotting behavior because it shows the predator how fit the prey is. - unprofitability to predator - alarm call – alert conspecifics - social cohesion coordinated escape - confusion, all flee at once
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Honest signal anti-predator behavior to indicate prey’s fitness. Implies that the prey can escape and it is too much effort to prey on them Predator/ Anti-predator Tactics Running until can’t If a gazelle is strong enough to stot, then he could easily escape Lizard doing pushups
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This note was uploaded on 04/06/2008 for the course PSYC 2420 taught by Professor Wolley during the Spring '08 term at Columbia.

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Animal behavior march 4th - Predator/ Anti-predator Tactics...

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