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 measurements . | BBA . | GHA . | F . | P . | ||
| 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 measurements . | BBA . | GHA . | F . | P . | ||
| 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