Table 1.
Mean values and s.d. (sample size in brackets) of morphological traits measured in a subset of collared (CF), F1 hybrids (HY), non-hybrid intermediates (INTER) and pied (PF) flycatcher males with genotypes confirmed through molecular analysis or pedigrees.
| morphological traits | CF (N=111) | HY (N=27) | INTER (N=50) | PF (N=82) |
|---|---|---|---|---|
| tarsus length (mm) | 19.2±0.6 | 19.2±0.5 | 19.4±0.5 | 19.3±0.5 |
| wing length (mm) | 83.1±1.7 | 80.8±2.0 | 81.6±2.0 | 79.5±1.9 |
| forehead patch area (mm2) | 77.8±13.7 | 62.7±17.5 | 62.5±15.6 | 28.4±11.3 |
| % grey on back and head | 6.3±6.3 | 19.0±21.0 | 16.7±22.6 | 36.9±35.7 |
| white in tail feathers (mm2) | 31.3±50.5 | 86.9±98.8 | 61.1±78.6 | 166.4±101.3 |
| white on wing patch (mm) | 24.6±15.8 | 20.6±12.4 | 22.8±12.2 | 5.0±3.8 |