There exists resource partition in nest-site selection among grassland birds, there are three guilds: nesting in higher and denser grass birds guild;

通过草原鸟类在巢位选择时对巢址资源分割的研究，揭示了草原鸟类群落的集团结构，共分为三个集团，即：高密度、高草营巢鸟类集团；

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There exists resource partition in nest-site selection among grassland birds, there are three guilds: nesting in higher and denser grass birds guild;

通过草原鸟类在巢位选择时对巢址资源分割的研究，揭示了草原鸟类群落的集团结构，共分为三个集团，即：高密度、高草营巢鸟类集团；

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