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[Editor’s note: This is the third of a three-part series on woodpeckers.]
It requires 30 days for a pair of pileated woodpeckers to excavate a gourd-shaped nest cavity as deep as 2 feet within a dead tree. Females do. most of the work. This seeming lack of inequality in labor is balanced, out with other reproduction responsibilities.
The entrance is an oval, sometimes squarish, shape; Other woodpeckers enter cavities through a round hole. Three to five white eggs are laid on soft chips in the bottom of the cavity. The male does
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