Table 2.
Responses to the playback treatments; duets, male solos and female solos.
| Pair nested within Playback Treatment | Playback Treatment | ||||||
|---|---|---|---|---|---|---|---|
| Variable | Duet X±SE | Male Solo X±SE | Female Solo X±SE | F Statistic | P Value | F Statistic | P Value |
| Single calls | 10.5± 4.1 | 7.7± 2.8 | 11.4± 5.6 | 1.4649,16 | 0.21 | 0.032,54.3 | 0.97 |
| Growls | 1.60± 0.23 | 1.1± 0.14 | 1.3± 0.23 | 0.9749,16 | 0.56 | 2.012,56.6 | 0.14 |
| Warble duets | 1.30± 0.10 | 1.5± 0.29 | 1.4± 0.27 | 1.0749,16 | 0.46 | 0.692,56.0 | 0.51 |
| Duets | 1.40± 0.18 | 1.4± 0.37 | 1.1± 0.09 | 0.7149,16 | 0.82 | 0.312,58.9 | 0.73 |
| Duet length | 7.30± 0.44 | 8.6± 1.3 | 7.1± 1.5 | 3.3517,4 | 0.13 | 0.942,18.4 | 0.41 |
| # of female initiated duets | 1.40± 0.20 | 1.4± 0.36 | 1.1± 0.13 | 0.6949,16 | 0.84 | 0.222,59.1 | 0.80 |
| # of male initiated duets | 1.10± 0.07 | 0.96±0.08 | 1.03±0.07 | 0.9249,16 | 0.61 | 0.792,57.0 | 0.46 |
| Male proximity to speaker | 0.68± 0.06 | 0.72±0.09 | 0.69±0.09 | 0.7249,16 | 0.81 | 0.142,58.7 | 0.87 |
| Female proximity to speaker | 0.73± 0.06 | 0.72±0.09 | 0.69±0.09 | 0.8249,16 | 0.71 | 0.152,57.8 | 0.86 |
| Male latency to 1st movement | 240.1±16.5 | 241.9±27.0 | 244.9±25.9 | 2.1948,16 | 0.04* | 0.122,51.9 | 0.89 |
| Female latency to 1st movement | 250.4 ±15.9 | 263.7±20.9 | 244.9±25.9 | 1.4448,15 | 0.22 | 0.252,53.6 | 0.78 |
| Male latency to near approach | 151.4±20.5 | 164.7± 39.0 | 186.7± 31.0 | 0.9848,16 | 0.54 | 0.542,56.0 | 0.59 |
| Female latency to near approach | 164.6±21.0 | 209.1±36.5 | 204.0±29.7 | 0.8548,16 | 0.68 | 0.462,57.1 | 0.63 |
Mean response values are shown for the duet, male solo and female solo treatments, with mean ratios of response (post/pre) in plain text, and means calculated with raw values in italics. Statistical values are for repeated-measures ANOVAs. No values are significant.