Whether they’re opening for takeoff, spreading wide for a lazy soar or flapping to brake for landing, bird wings make flying ...

In the late 15th century, Leonardo da Vinci began sketching flying machines inspired by birds’ wing movements. The late 19th century saw scientists like Otto Lilienthal build gliders based on ...

Although it’s not uncommon for birds to communicate with each other by flapping their wings to make a desired noise ... allowing them to get close observations of their sounds and movements.

Most birds produce substantial upward force ... When Hedrick viewed the frames in sequence, infinitesimal movements of the wing bones merged into patterns, then continuous motion, and the ...

This term is based upon the sounds made by the fluttering of many wings ... are excellent examples of birds that utilize murmuration flocking behavior and movements — sometimes as mixed ...

Birds achieve flight control through complex, coordinated movements where different body ... a drone featuring morphing wings and tail that demonstrate remarkable stability. All the actuators!