Table 2.
Phenotypic differences between the two groups of male house sparrows used for the experiment prior to the experiment.
| Male trait | Averaged Group (N = 48) |
Enlarged group (N = 48) |
F1,94 | p |
|---|---|---|---|---|
| Original badge size (mm) | 30.29 ± 0.30 | 31.63 ± 0.80 | 2.474 | 0.119 |
| Body mass (g) | 26.51 ± 0.29 | 26.29 ± 0.27 | 1.117 | 0.293 |
| Wing length (mm) | 77.04 ± 0.04 | 77.48 ± 0.03 | 0.770 | 0.382 |
| Tarsus length (mm) | 19.81 ± 0.11 | 19.80 ± 0.15 | 0.006 | 0.938 |
| Body condition | 34.39 ± 0.83 | 34.24 ± 0.97 | 0.025 | 0.874 |
ANOVA test and mean ± SE are given.