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TOI World12.5.2026WissenschaftIndia

Four-Winged Dinosaur Fossil Challenges Evolution of Flight Timeline

Anchiornis huxleyi four-winged dinosaur evolution of flight

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A 160-million-year-old Chinese fossil of Anchiornis huxleyi, a four-winged feathered dinosaur, reveals messy moulting patterns suggesting it may have been flightless, challenging the linear evolution of bird flight.

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