Skip to Main Content
Table 1.

The inter- and intra-species leg length, stride length at maximal speed and maximal incline, rate of force production, net vertical efficiency for black-browed albatross and grey-headed albatross

Comparisons
Morphological measurementsBBAGHAFP
Inter-species     
   Mass (kg) 3.54±0.35 3.24±0.45 4.461,14 0.894 
   L1 (cm) 23.00±0.21 24.95±0.28 17.291,14 0.004 
   Ls,max.speed (cm) 15.80±0.27 15.74±0.35 0.011,14 0.497 
   Ls,max.incline (cm) 3.90±0.13 5.96±0.10 30.071,14 0.000 
   Max. 1/tc,incline 3.09±0.16 2.60±0.07 42.461,14 0.005 
   Max. 1/tc,speed 2.49±0.08 2.76±0.20 11.451,14 0.049 
   Min. NVE 25.02±15.89 47.09±25.48 27.521,14 0.000 
   Max. NVE 17.29±5.28 16.74±8.86 0.021,14 0.878 
   Regression slope of mean NVE vs % incline –0.69 –3.29 18.571,14 0.019 
 BBA
 
 GHA
 
 
 F P F P 
Intra-species     
   Ls,max.speedvs Ls,max.incline 29.031,10 0.001 31.651,4 0.003 
   NVEincline min. vs max. 0. 331,10 0.999 38.151,4 0.000 
   1/tc,speed min. vs max. 46.461,10 0.000 33.421,4 0.000 
   1/tc,incline min. vs max. 19.331,10 0.000 37.151,4 0.011 
Comparisons
Morphological measurementsBBAGHAFP
Inter-species     
   Mass (kg) 3.54±0.35 3.24±0.45 4.461,14 0.894 
   L1 (cm) 23.00±0.21 24.95±0.28 17.291,14 0.004 
   Ls,max.speed (cm) 15.80±0.27 15.74±0.35 0.011,14 0.497 
   Ls,max.incline (cm) 3.90±0.13 5.96±0.10 30.071,14 0.000 
   Max. 1/tc,incline 3.09±0.16 2.60±0.07 42.461,14 0.005 
   Max. 1/tc,speed 2.49±0.08 2.76±0.20 11.451,14 0.049 
   Min. NVE 25.02±15.89 47.09±25.48 27.521,14 0.000 
   Max. NVE 17.29±5.28 16.74±8.86 0.021,14 0.878 
   Regression slope of mean NVE vs % incline –0.69 –3.29 18.571,14 0.019 
 BBA
 
 GHA
 
 
 F P F P 
Intra-species     
   Ls,max.speedvs Ls,max.incline 29.031,10 0.001 31.651,4 0.003 
   NVEincline min. vs max. 0. 331,10 0.999 38.151,4 0.000 
   1/tc,speed min. vs max. 46.461,10 0.000 33.421,4 0.000 
   1/tc,incline min. vs max. 19.331,10 0.000 37.151,4 0.011 

BBA, black-browed albatross; GHA, grey-headed albatross; L1, leg length; Ls, stride length (at maximal speed and maximal incline); 1/tc, rate of force production; NVE, net vertical efficiency

Values are means ± s.e.m. (N=11 BBA, 5 GHA), as tested by RM-ANCOVA or GLM

Close Modal

or Create an Account

Close Modal
Close Modal