4. Kulindadromeus and the Rise of Dinosaur Feathers
The remarkable discovery of Kulindadromeus zabaikalicus in Siberia has changed how scientists view the origins of feathers. This small, plant-eating dinosaur displayed feather-like structures, a trait previously thought limited to predatory theropods. Its existence suggests that feathers may have been far more common among dinosaurs than once believed. This fossil pushes back the evolutionary timeline for feather development and raises new questions about their initial purpose—perhaps for insulation or display rather than flight. Read more