I went for a short hunt in the mountains of upstate SC this morning. The mountain was absolutely covered with these:

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[Linked Image]

Of course they are Chestnut Oak Acorns. They are very bitter and the deer and bear don't get started on them until all the White Oak Acorns and Red Oak Acorns are gone. The winter frosts and rain leech the bitterness out and they are eaten late in the winter, which is a good thing as they provide a nutritious food source when it is needed most.