Table 3 Principal component loadings for tambourine dove responses to playback in allopatry (Experiment III).

From: Response of forest Turtur doves to conspecific and congeneric songs in sympatry and allopatry

Statistics and original response variables

PC1—approaching

PC2—vocal response

Eigenvalue

2.876

1.531

% of variance

47.926

25.522

Cumulative %

47.926

73.447

Songs during playback

− 0.13

0.91

Songs after playback

0.30

0.84

Flights during playback

0.92

− 0.08

Flights after playback

0.53

0.13

Closest distance (m)

− 0.93

− 0.07

Time < 25 m to speaker (s)

0.85

0.07

  1. Kaiser–Meier–Olkin = 0.675, Bartlett's test of sphericity χ2 = 123.563, P < 0.001.
  2. Values that make a substantial contribution to the overall variance are in bold.
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