Mammals lived alongside dinosaurs for millions of years
Fossil evidence reveals early mammals coexisted with dinosaurs for over 150 million years, a hidden chapter of resilience that shaped mammalian evolution.
For over 150 million years, tiny, shrew-like mammals coexisted with towering dinosaurs during the Mesozoic Era. Appearing around 225 million years ago, these early mammals, like Morganucodon, were often nocturnal and hid in burrows, likely to avoid becoming a dinosaur's meal.
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