Avian secret: The key to agile bird flight is switching quickly between stable and unstable gliding - Phys.org

While it had been assumed that unstable gliding was the key to agility in bird flight, a collaboration between aerospace engineers at the University of Michigan and biologists at the University of British Columbia revealed that stability plays a role.

While it had been assumed that unstable gliding was the key to agility in bird flight, a collaboration between aerospace engineers at the University of Michigan and biologists at the University of Br… [+4964 chars]

full article...