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Biology the essentials
This mischievous woodpecker is peering around a tree riddled with acom-filled holes. As their name suggests, acorn woodpeckers rely on acorns for food, and they are not shy about hoarding more than they can eat. An acorn woodpecker might drill thousands of holes into a tree or power pole, filling each hole with an acorn before winter. The food stash sustains the bird through the cold months. Perhaps surprisingly, the bird's obsession with acorns boosts the oak's chance of reproducing. After all, an acorn that remains in the shade of its parent's leaves is unlikely to mature into an oak tree. Birds eat or hide most of the acorns they find, but a few fall from the woodpecker's stash onto sunny ground below, far from the acorn's parent. At the end of the winter, the dropped oak seeds might grow into new trees.
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