Why did this ancient bird die with tiny rocks in its throat?

Science Dinosaurs Why did this ancient bird die with tiny rocks in its throat? The 120-million-year-old fossil may also be a choking hazard PSA. Breakthroughs, discoveries, and DIY tips sent every weekday. Fossils may reveal what type of animal died millions of years ago, but they rarely depict exactly they perished. Even rarer are the examples that clearly showcase an animal's exact cause of death.