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I am basically from math background and doing Ph.D in mathematical biology. So I am not so efficient in biology. But my problem based on cooperative behaviour of animals during hunting which is related to the animal behaviours in ecology.

We know that different animals show cooperative behaviour during hunting (or, group hunting) such as wild dogs, lions, chimpanzees, birds, spiders, crocodiles etc. We also know that fear of predator (predation risk) reduces the growth rate of prey population. Now, I am looking for example(s), in which prey population does not fear predator but cooperative behaviour of predators induces (creates) fear in prey.

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    $\begingroup$ Are you asking for exemples when a particular prey species is "normally" not afraid of predators, unless/until the predators displays a (cooperative) behaviour to induce fear? $\endgroup$ May 2, 2018 at 18:13
  • $\begingroup$ @fileunderwater Yes, you got my point. Could you please give me any example related to this phenomenon? $\endgroup$
    – SAHEB PAL
    May 3, 2018 at 2:31
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    $\begingroup$ So an animals that is to big for one predator, but is hunted by a group of predators would suit your case? Then a giraffe hunted by lions comes to my mind. A lion alone wouldn't attack a giraffe, but a pack does. And they induce fear because they are many and show huntig behaviour. $\endgroup$
    – user32173
    May 30, 2018 at 7:56
  • $\begingroup$ Are you asking a question about prey psychology or prey behavior? i.e. is it "fearful" behavior that is your focus? $\endgroup$
    – Mars
    Jul 9, 2018 at 3:01
  • $\begingroup$ Maybe relevant, in relation to fear: biology.stackexchange.com/questions/42497/… $\endgroup$ Mar 8, 2019 at 12:13

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