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Essay / Research Paper Abstract
A 3 page review of three research projects published in 2008. These projects revolve around woodpecker phylogeology and cavity reuse. No additional sources are listed.
Page Count:
3 pages (~225 words per page)
File: AM2_PPwoodpecker.rtf
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Unformatted sample text from the term paper:
been focused in recent years on researching the woodpecker family. Research varies between describing habitat impacts, to delineating life history, to detailing sometimes subtle changes in appearance of this
family. Contemporary research for the Red-cockaded Woodpecker, the Acorn Woodpecker, Red-headed Woodpecker and Lewiss Woodpecker is particularly interesting. Gentry and Vierling (2008)
investigate the ecological integration of woodpeckers with other bird and non-bird animal species that is represented by nesting cavity reuse. They emphasize that nesting use of the cavities by
the woodpeckers themselves is only one part of the ecological role these cavities fill. These researches delineated a study area in Black Hills, South Dakota within old-burned ponderosa pine
forests. They identified one-hundred seventy-nine active nest cavities in that study area and monitored those cavities, examining them twice during the breading season and twice more outside of the
breeding season, over the three year period spanning 2002-2005. In addition to Lewis Woodpeckers and Red-headed Woodpeckers, these researchers found that Northern Flickers comprised the three most common species
of cavity excavators. Each of these species not only constructed new cavities but also reused old cavities, however. The researchers found many species of animals actually reuse woodpecker
cavities when the woodpeckers themselves are not using them. The specifics of that reuse is apparently dependent on cavity height from the ground. The Northern Flicker cavities were
actually reused more often and the researchers speculate that is probably due to the fact that their cavities are found closer to the ground than are those of the other
two woodpecker species. Kappes (2008) also investigates the degree of cavity reuse for those cavities excavated by Red-cockaded Woodpeckers. This researchers study
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