Bird | Sex/age (years) | Treatment | M b (g) | Resting \( s\dot{V}{\text{O}}_{2} \) (ml min−1 kg−1) | Preening | |||
---|---|---|---|---|---|---|---|---|
Pre-attachment | Attachment-1 | Attachment-2 | \( s\dot{V}{\text{O}}_{2} \) (ml min−1 kg−1) | Factorial increase | ||||
019 | f/1.4 | Control | 644 ± 6 | 34.40 ± 2.66 | 30.29 ± 0.05 | 31.23 ± 1.18 |  |  |
1082 J | m/2.4 | Control | 691 ± 4 | 27.01 ± 0.31 | 26.49 ± 0.27 | 27.10 ± 0.22 |  |  |
1084 J | m/2.4 | Control | 760 ± 12 | 29.28 ± 1.66 | 31.26 ± 1.03 | 31.77 ± 0.70 |  |  |
7269 J | f/0.4 | Control | 578 ± 4 | 31.83 ± 0.17 | 32.68 ± 1.72 | 30.59 ± 1.91 |  |  |
773 J | f/3.4 | Control | 588 ± 4 | 28.73 ± 1.17 | 30.10 | 32.99 ± 0.46 |  |  |
Grand mean |  |  | 652 ± 34 | 30.25 ± 1.29 | 30.17 ± 1.03 | 30.73 ± 0.99 |  |  |
1083 J | m/2.4 | Prong | 684 ± 6 | 23.65 ± 0.25 | 26.20 ± 0.70 | 25.96 ± 0.48 | 48.32 | 2.04 |
4584 J | f/1.4 | Prong | 590 ± 21 | 28.62 ± 1.95 | 32.23 |  | 54.21 ± 1.27 | 1.89 |
4585 J | m/1.4 | Prong | 675 ± 13 | 23.03 ± 0.11 | 23.49 ± 0.33 | 32.75 ± 0.85 | 43.53 ± 4.79 | 1.89 |
7230 J | m/2.4 | Prong | 687 ± 7 | 25.61 ± 1.41 | 26.16 ± 0.72 | 28.46 ± 0.80 | 39.28 ± 5.99 | 1.53 |
7268 J | f/0.4 | Prong | 561 ± 2 | 30.71 ± 3.18 |  |  |  |  |
Grand mean |  |  | 639 ± 27 | 26.32 ± 1.47 | 27.02 ± 1.85 | 29.06 ± 1.98 | 46.33 ± 3.21 | 1.84 ± 0.11 |
002 | m/1.4 | Tesa | 775 ± 9 | 26.84 ± 2.07 | 26.45 ± 2.30 | 29.26 ± 0.58 | 39.88 | 1.49 |
003 | m/1.4 | Tesa | 787 ± 11 | 27.51 | 28.49 | 31.30 ± 0.68 | 44.56 ± 2.31 | 1.62 |
016 | m/1.4 | Tesa | 729 ± 12 | 31.97 ± 2.11 | 34.53 ± 0.81 | 30.82 ± 2.33 | 51.21 ± 1.91 | 1.60 |
14198 J | f/0.4 | Tesa | 514 ± 4 | 34.41 | 34.31 | 34.28 ± 2.42 | 52.31 | 1.52 |
586 J | f/4.4 | Tesa | 586 ± 3 | 24.41 | 30.81 ± 0.11 | 36.27 ± 2.60 |  |  |
Grand mean |  |  | 678 ± 54 | 29.03 ± 1.82 | 30.92 ± 1.59 | 32.39 ± 1.27 | 46.99 ± 2.92 | 1.56 ± 0.03 |