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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
  1. The data are shown as mean ± standard deviation