The cowbird is a nest parasite that lays its eggs in the nests of other species in the trees along the boundaries of forests and meadows.Nest parasitism (the number of nests with cowbird eggs)declines dramatically as you move deeper into the forest.Cowbirds would be considered a ________________.

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Cowbirds are considered edge species as they thrive in the boundaries of forests and meadows where their preferred host species nests. The decline in nest parasitism as you move deeper into the forest indicates the dependence of the cowbirds on the edge habitat. Core species are those that are found deep within the habitat, while keystone species have a significant impact on the ecosystem's structure and function, and indicator species are used to monitor the health of the ecosystem. Ecological zone species are not a recognized ecological term.

The Cowbird Is a Nest Parasite That Lays Its Eggs