k. They are larger than normal with big flat tops and thin bodies. Any idea what that means?"
Thomas Dudek of the Michigan State University Extension Service said the only explanation for the acorns with a different shape is that they may be from a less-common species of oak that are in the park.
Dudek provided a website to help identify the acorns: www.hort.uconn.edu/plants/keys/trees/oakkey.htm
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