Bird stones are prehistoric, abstract stone carvings made by Native Americans. The artifacts were a common inclusion in graves and thought to have ceremonial importance. They are noted for their distinctive simplicity and beauty. They first appeared in the middle Archaic period around 5,000 years ago and continued into the early Woodland period to about 2,500 years before present.
The exact purpose of these artifacts is not known, but most have a small hole drilled at the base of the neck and another at the aft end, presumably for mounting. Some theories suggest they were part of an atlatl (a short rod to hurl spears), in addition to their ceremonial uses. It has also been suggested that these artifacts were worn as decorative items denoting marriage status or pregnancy, and as totems representing tribes.
Bird stones were mostly made east of the Mississippi, and the thousands in existence have been found primarily in New York, Ohio, Michigan and Wisconsin. The stones range in length from 3 to 6 inches, and have unique variations in style. Most are ground from grayish green, banded slate, and occasionally porphyry.
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