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Table 2 Factors that might influence the nestling’s body mass in the Grey-backed Shrike

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

Generalized linear mixed model parameters
Fixed effects β ± SE n t P
Intercept 1.620 ± 1.086 284 1.492 0.065
Clutch initiation date 0.042 ± 0.048 284 0.870 0.284
Hatching sequence – 0.186 ± 0.164 284 – 1.134 0.101
Nestling age 2.264 ± 0.054 284 42.234  < 0.001
Random effects β ± SD n Results of VCA (%)
Nestling identity 0.001 ± 0.001 284 0.006
Nest identity 3.694 ± 1.922 284 21.25
Year 3.032 ± 1.741 284 17.44
Residual 10.659 ± 3.265 284 61.31
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