Have you ever wondered why woodpeckers pound so incessantly?
In the case of acorn woodpeckers -- gregarious black-and-red birds in California’s oak forests -- they’re building an intricate pantry, a massive, well-organized stockpile of thousands of acorns to carry them through the winter.
https://www.kqed.org/science/1925251/youd-never-guess-what-an-acorn-woodpecker-eats
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