Emberizids are important members of their ecosystem. Because of their food habits, they likely have a regulatory influence on insect populations, and they are an important food source for their predators. They also have an influence on the reproduction of the plants whose seeds they eat. In addition, Emberizids are hosts for brown-headed cowbirds (Molothrus ater), a parasitic species of bird that lays its eggs in the nests of other bird species.
Ecosystem Impact: disperses seeds
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