The results showed that the population density and biomass of Ardeola bacchus were higher.

结果表明，池鹭的种群密度和生物量最高。

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Of the nests, 83 9% were built by Pycnonotus sinensis and some colonial breeding species including Nycticorax nycticorax , Ardeola bacchus and Bubulcus ibis .

白头鹎和集群繁殖的夜鹭、池鹭、牛背鹭的鸟巢数量占总巢数的83 9%。

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