Table 2 Differences in the response to playback experiments
From: Song divergence indicates an unclear relationship between the Neotropical and Nearctic Horned Larks
Variable | Statistic result | Neotropical (n = 36) | Nearctic (n = 36) | Control (n = 36) |
|---|---|---|---|---|
PCA | F = 247; p < 0.001 | NA | NA | NA |
Latency | H (2) = 85.839; p < 0.001 | 63.25 ± 27.7 | 121.31 ± 33.4 | 180 ± 0 |
Number of vocalizations | H (2) = 87.160; p < 0.001 | 9.56 ± 2.9 | 2.78 ± 1.42 | 0.67 ± 0.72 |
Approach response (10 m) | H (2) = 79.661; p < 0.001 | 3.83 ± 1.65 | 1.28 ± 1.09 | 0 ± 0 |
Approach response (20 m) | H (2) = 68.394; p < 0.001 | 4.94 ± 1.62 | 3.58 ± 1.98 | 0.31 ± 0.62 |