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Table 3 Factors that might influence the provisioning rate of males and females in the Grey-backed Shrike

From: The Grey-backed Shrike parents adopt brood survival strategy in both the egg and nestling phases

Parameters Males Females
Fixed effects β ± SE t n P β ± SE t n P
Intercept 2.38 ± 5.55 0.43 143 0.67 – 8.55 ± 7.55 – 1.13 143 0.26
Brood size 1.10 ± 0.80 1.38 143 0.17 3.20 ± 1.05 3.04 143 0.003
Nestling age 0.33 ± 0.10 3.15 143 0.002 0.81 ± 0.17 4.70 143  < 0.001
Random effects β ± SD Results of VCA (%) β ± SD Results of VCA (%)
Year 0.001 ± 0.001 0.001 6.40 ± 2.53 11.39
Nest identity 0.02 ± 0.15 0.07 0.001 ± 0.001 0.001
Residual 30.16 ± 5.49 99.92 49.75 ± 7.05 88.61