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    Author(s): James P. Mattson; Alfred H. Grewe
    Date: 1976
    Source: Research Note NC-198. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
    Publication Series: Research Note (RN)
    Station: North Central Research Station
    PDF: View PDF  (430.76 KB)

    Description

    Sixteen years (1959-1974) of bald eagle nesting data representing 102 nests were examined. Nest survey intensity increased in the late 1960''s and was most comprehensive during 1972, 1973, and 1974. Some nests were used for at least 15 years. Most nest trees were white pines, reflecting availability. IN 1974 the number of active and successful nests and young produced were relatively low.

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Mattson, James P.; Grewe, Alfred H. 1976. Bald Eagle Nesting in the Superior National Forest. Research Note NC-198. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

    Keywords

    bald eagle, nesting data, producivity, tree species, nest longevity

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