For Indy:
QuoteShane Smith, owner of Red Antler Processing in Yazoo City, Mississippi, said he was examining contents of a 13-foot, 5-inch alligator that weighed 750 pounds and discovered two unusual objects. One he couldn't identify, but the other was clearly a broken stone arrowhead.
https://www.usatoday.com/story/sports/2021/09/10/prehistoric-native-american-arrowhead-artifact-found-alligator-mississippi/8271061002/ (https://www.usatoday.com/story/sports/2021/09/10/prehistoric-native-american-arrowhead-artifact-found-alligator-mississippi/8271061002/)
Gators, like many reptiles, will swallow bits of gravel to help their gizzard grind up food. This one ingested an arrowhead in the process.