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Table 1.

Morphometric data for the cockatiels (Nymphicus hollandicus) and experimental conditions

VariableMean ± s.d.
Body mass (g) 87.28±7.36 
Estimated pectoralis mass (g) 9.10±0.77 
Estimated supracoracoideus mass (g) 1.41±0.12 
Estimated deltoideus major mass (g) 0.43±0.04 
Wingspan (cm) 45.5±2.0 
Wing chord (cm) 5.7±0.5 
Air temperature (°C) 22.44±3.07 
Air pressure (kPa) 102.6±0.8 
Air density (kg m-31.21±0.03 
VariableMean ± s.d.
Body mass (g) 87.28±7.36 
Estimated pectoralis mass (g) 9.10±0.77 
Estimated supracoracoideus mass (g) 1.41±0.12 
Estimated deltoideus major mass (g) 0.43±0.04 
Wingspan (cm) 45.5±2.0 
Wing chord (cm) 5.7±0.5 
Air temperature (°C) 22.44±3.07 
Air pressure (kPa) 102.6±0.8 
Air density (kg m-31.21±0.03 

N=4 in all cases. Muscle mass estimates were calculated from linear regressions of muscle mass vs body mass for cockatiels used in prior experiments at the Concord Field Station. Muscle masses are for individual muscles.

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