150-million-year-old teeth expose dinosaurs’ secret diets By analyzing tooth enamel chemistry, scientists uncovered proof that Jurassic dinosaurs divided up their meals in surprising ways—some choosing buds and leaves, others woody bark, and still others a mixed menu. This dietary diversity helped massive plant-eaters coexist, while predators carved out their own niches.
https://www.sciencedaily.com/r....eleases/2025/09/2509