Table 1 Results of GLMM examining the effect of sex, season and precipitation on the daily singing activity index (the total number of songs detected in 56–58 1-min sound samples analysed per day).

From: Females occasionally create duets with males but they never sing solo-year-round singing behaviour in an Afrotropical songbird

Coefficients

Estimate

SE

Z

p

Intercept

2.886

0.493

5.85

 < 0.001

Sex [male]

 − 1.442

0.235

 − 6.13

 < 0.001

Precipitation

 − 0.016

0.016

 − 1.01

0.314

Season [Dry]

1.524

0.312

4.89

 < 0.001

Sex*Precipitation

0.012

0.006

1.90

0.057

Sex*Season

 − 0.365

0.139

− 2.63

0.009

  1. Data were fitted by zero-inflated negative binomial distribution and log-link function. Significant results are in bold.
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