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Thread: Is there any animal species, a predator, with the specific behaviour as described in the thread?657 days old

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    Question Is there any animal species, a predator, with the specific behaviour as described in the thread?

    Hi,

    I am wondering if there is a species (a predator) with the following behaviour: a predator is actively searching for a prey/resources; once there is a place with sufficient food sources, the predator becomes "sedentary" and does not migrate anymore; (now the important thing) if the population of the PREDATOR becomes (very) large, some individuals decide to leave the place and search for another one even though the population of a prey/food is not changed in the "old" place (the food resources can change but this change is not so important for me).

    I can of course well imagine a predator that can decide to "either stay or leave" depending on the total population of a prey. My question: are there examples of animal species that decide to stay or leave depending on the total population of that species?

    I apologise if this is not the right place to ask but I hope there is somebody who can help.

    Many thanks for all you input.

    Cheers,
    Jan

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    Wolves. They search prey and stay where they have enough prey. I am not sure what you mean by the total population size, because predators usually don't form large local populations. Wolf packs grow only to a certain size and then some individuals leave the pack and found a new one, even in case they could have enough prey to stay.
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    Illegal Mexicans in the eastern part of the USA.

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    Most predator species that have adapted to feeding off human trash and human livestock.

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