Brood Parasitism

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5 Terms

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What is brood parasitism?

Laying eggs in the nest of another individual so that the host provides all parental care.

2
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What is conspecific brood parasitism?

Parasitizing nests of the same species.

3
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What is interspecific brood parasitism?

Parasitizing nests of a different species.

4
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How do parasitic chicks outcompete host chicks?

They hatch earlier, beg louder, grow faster, or eject host eggs.

5
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Why do some hosts still accept parasitic eggs?

Recognition errors are costly, and rejecting the wrong egg reduces their own reproductive success.