Abstract
Previous studies implied that decayed heartwood was important to cavity tree selection by redcockaded woodpeckers (Picoides borealis), but the results were inconclusive because they either lacked a control or were limited to 1 age class of trees. We compared the incidence of heart rot in loblolly and longleaf pines (Pinus taeda and P. palustris) undergoing cavity excavation to the incidence of heart rot in control trees of similar age, size, and growth rate in Francis Marion National Forest in South Carolina. The incidence of decayed heartwood was not similar in cavity and control trees (P<0.001) ; woodpeckers selected trees with decayed heartwood
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