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Keywords: cockatiel
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Journal Articles
J Exp Biol (2004) 207 (22): 3969–3976.
Published: 15 October 2004
...C. Hambly; E. J. Harper; J. R. Speakman SUMMARY The effect of experimentally increased wing loading on the energy cost of flight was examined in cockatiels Nyphicus hollandicus . Five individuals were flown for periods of approximately 2 min, while carrying additional payload mass amounting...
Journal Articles
Journal Articles
J Exp Biol (2003) 206 (8): 1363–1378.
Published: 15 April 2003
... the mechanisms employed by cockatiels ( Nymphicus hollandicus ) to modulate muscle power output. We found that pectoralis contractile function in cockatiels was generally conserved across speed and over a wide range of aerodynamic power requirements. Despite the 2-fold range of variation in muscle power output...
Journal Articles
Journal Articles
J Exp Biol (2002) 205 (1): 25–35.
Published: 1 January 2002
... aperture control and thus in gating airflow. In parrots (cockatiels, Nymphicus hollandicus ), direct observations show that even during quiet respiration the lateral tympaniform membranes (LTMs) are partially adducted into the tracheal lumen to form a narrow slot. Contraction of the superficial intrinsic...