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Boom and bust cycles of acorn production do have an evolutionary benefit for oak trees through âpredator satiation.â The idea goes like this: in a mast year, predators (chipmunks, squirrels, turkeys, blue jays, deer, bear, etc.) canât eat all the acorns, leaving some nuts for growing into future oak trees.
Not all acorns are created equal. Just as acorns are the preferred deer food in autumn, white oak are the preferred acorns. Deer judge acorn taste, and subsequent preference by the level of tannic acid in the nut. White Oak acorns have the least tannic acid and the large rock oak the highest content.