Table 2 The effect of male residency (MRS; resident or bachelor), singing context (MSC; spontaneous or induced) and song progression (proportion of song duration; MSP) on bout duration, the number of chucks and snorts per bout, and bout entropy rate in hyrax male songs.

From: The progression pattern of male hyrax songs and the role of climactic ending

Term

Slope

Wald χ2

P

Bout duration

MRS

−0.17

1.1

0.289

MSC

0.17

2.7

0.099

MSP

0.99

43.9

<0.001

MRS * MSP

0.32

1.1

0.298

MSC * MSP

−0.32

2.7

0.098

Number of chucks/bout

MRS

0.10

0.5

0.498

MSC

0.17

2.9

0.091

MSP

2.30

250.8

<0.001

MRS * MSP

−0.20

0.5

0.474

MSC * MSP

−0.33

2.9

0.088

Number of snorts/bout

MRS

−0.05

0.3

0.566

MSC

−0.12

1.4

0.241

MSP

1.29

215.6

<0.001

MRS * MSP

0.09

0.3

0.574

MSC * MSP

0.22

1.4

0.243

Bout entropy rate

MRS

−0.00

0.1

0.742

MSC

0.01

0. 3

0.595

MSP

0.43

35.3

<0.001

MRS * MSP

−0.01

0.4

0.523

MSC * MSP

0.00

0.0

0.861

  1. df = 1 in all effect tests.