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@TeachersaurusRx @EvolutionPirate The cause for eastern songbird population decline is much more complex; cowbirds are unlikely to be a major factor and themselves are declining: https://t.co/qOU3EGQefh
@TeachersaurusRx @EvolutionPirate The cause for eastern songbird population decline is much more complex; cowbirds are unlikely to be a major factor and themselves are declining: https://t.co/qOU3EGQefh