Mechanical power output of bird flight.

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  • Author(s): Dial, K. P.; Biewener, A. A.
  • Source:
    Nature. 11/6/1997, Vol. 390 Issue 6655, p67. 4p. 2 Black and White Photographs, 11 Graphs.
  • Additional Information
    • Subject Terms:
      AVIATION physiology; KINEMATICS
    • Abstract:
      Presents research which used in vivo bone-strain measurements of pectoralis muscle force coupled with wing kinematics in black-billed magpies (Pica pica) to calculate mechanical power directly. Testing of aerodynamic theory; Use of respirometric techniques; Profile of mechanical power values.