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Reference.org
Intraguild predation
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<p>Intraguild predation, or IGP, is the killing and sometimes eating of a potential competitor of a different species. This interaction represents a combination of <a href="/facts/Predation/JEGdrX3f">predation</a> and <a href="/facts/Competition_(biology)/3xN0IynL">competition</a>, because both species rely on the same prey resources and also benefit from preying upon one another. Intraguild predation is common in nature and can be asymmetrical, in which one species feeds upon the other, or symmetrical, in which both species prey upon each other. Because the dominant intraguild predator gains the dual benefits of feeding and eliminating a potential competitor, IGP interactions can have considerable effects on the structure of ecological communities. </p>