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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.
Contributing to the size of the acorns is a large, fringed cup, which Tree New Mexico describes as similar in appearance to the spiny covering on a chestnut. Bur oak works well as a shade and lawn tree in areas with enough space to support its potential size.