Global Positioning System

Distribution of Whooping Crane Stopover Sites within the Great Plains

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Whooping cranes (Grus americana) migrate twice each year through the Great Plains in North America. Recovery activities for this endangered species include providing adequate places to stop and rest during migration.  USGS scientists have made initial estimates of stopover site use intensity, which has allowed researchers to identify areas across the migration range receiving proportionally greater use by whooping cranes.