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    Author(s): D. Craig Rudolph; Richard N. Conner
    Date: 1991
    Source: Wilson Bulletin. 103(3): 458-467
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (206 KB)


    We aged over 1350 Red-cockaded Woodpecker (Picoides borealis) cavity trees and a comparable number of randomly selected trees. Resulting data strongly support the hypothesis that Red-cockaded Woodpeckers preferentially select older trees. Ages of recently initiated cavity trees in the Texas study areas generally were similar to those of cavity trees initiated during the last several decades. In effect, the birds are continuing to select the oldest trees from a pool of trees of increasing age. This suggests that the current average age of cavity trees on these sites (85-130 yrs) may not provide optimum cavity trees for this endangered species.

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    Rudolph, D. Craig; Conner, Richard N. 1991. Cavity tree selection by red-cockaded woodpeckers in relation to tree age. Wilson Bulletin. 103(3): 458-467.

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