Acorn, or "mast" production by white oak trees (and others) varies from year to year depending on moisture, the timing of the last frost or hard freeze in the sping, and other environmental factors.
Oak trees produce flowers (albeit inconspicuous) in the spring from which their "fruit" (acorns) come from, and if there's a late last frost/freeze, the flowers can be burned or killed, thereby reducing or eliminating a good part of that fall's mast crop. This can vary from tree to tree, depending on how hard the freeze was, and/or where the tree was located in regards to local site specific temperature conditions.
A good way to determine if the white oaks in your area will have a good mast year is to "scout" the trees in late summer by using binoculars to look up into the trees at the branch tips and counting the number of acorns you see at he ends of the branches. In a good year you should be seeing 10-12 per branch.
White oaks have rounded leaf lobes as opposed to red oaks which have pointed leaf lobes.
All of the oaks (Quercus species) are a food source for deer, but the whites are prefered because the acorns are less bitter and will usually be eaten first by deer and other animals like squirrels and turkeys.
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