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Endangered and Threatened Species of the Platte River
and how they interact with other listed and nonlisted species. There is also a need to integrate the Platte River populations of plovers and particularly of terns with their larger populations. Platte River terns, for example, appear to range widely (up to at least 170 mi away from the river), so understanding of the Platte population cannot focus solely on the river. Finally—as is the case with conclusions related to time trends in climatic data, hydrological data, and crane population numbers—conclusions related to trends in the populations of plovers and terns must take into account the longest periods possible rather than focusing on a few years of record.