Evolution towards flightlessness has been much more common through history than scientists once thought.
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Articles on Bird flight
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Geese honk loudly and point their bills toward the sky when they're ready to start the migration. Here's how they know it's time, how they navigate and how they conserve energy on the grueling trip.
Did feathers evolve in the common ancestor of pterosaurs and dinosaurs? Not everyone is convinced
Inspired by the aerobatic manoeuvres of the swift, a new "flapping wing" aircraft can hover, glide and dive much better than quadcopter-style drones.
One bird we tagged flew for 172km without a single flap.
Top contributors
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Senior Lecturer in Biosciences, Swansea University
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Professor of Invasion Biology , UCL
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Senior Lecturer in Geology, University College Cork
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DST Group Joint Chair of Sensor Systems, University of South Australia
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PhD Candidate in Palaeontology, Nanjing University
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Professor of Biology, Clarkson University
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Marie Curie Postdoc Fellow, Centre for Biodiversity and Environment Research, UCL
