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Causes of Population Declines
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aerial surveys Appendix banding breeding population breeding season carcasses Chippewa National Forest CM CM CM color-marked conducted contaminants coordination County Curtis Griffin Determine population eagle nest eagle populations eagle research Endangered Species Endangered Species Act essential habitat Establish federal agencies feeding areas Fish and Wildlife fixed-wing aircraft guidelines habitat needed identified immatures Jon Gerrard Lake land locations Minnesota Mississippi River National Wildlife Federation nest sites nesting areas nesting bald eagles nesting populations nestlings night roosts nonbreeding birds North Dakota Northern States Region number of birds number of breeding o o o o occupied breeding areas occupied nest perches population and habitat population dynamics potential present priorities programs Protect and manage Raptor recommended reproduction roost sites site-specific management plans survival techniques terrestrial habitats Terry Ingram translocation project trapping U.S. Fish U.S. Forest Service unoccupied habitat Wildlife Service wintering areas wintering eagles wintering habitat wintering period