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Big woodpeckers trash others' homes

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10:20am, August 28, 2001

Woodpecker biologist Daniel Saenz now has the data to show that frustrated scientists aren't imagining things. Pileated woodpeckers really are attracted to the homes of red-cockaded woodpeckers.

Saenz of the Wildlife Habitat Laboratory in Nacogdoches, Texas, frets over the cavities that the small, endangered red-cockaded woodpeckers peck out of healthy pine trees. The 8-inch-long birds routinely spend 6 years excavating before a cavity reaches the right size. A finished cavity houses a single bird.

The pileated woodpeckers, like most of the clan, usually whack their cavities out of dead trees in which a fungus has already softened the wood.

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