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Table 3 Mean body weight of fledglings of the Yellow-bellied Prinia (Prinia flaviventris) in relation to parental quality

From: Brood sex ratio in the Yellow-bellied Prinia (Prinia flaviventris)

Predictor

Estimate

SE

df

F

p

Weight (♂)

1.41813

2.08176

15

0.681

0.513

Wing length (♂)

0.10042

0.37692

15

0.266

0.796

Tail length (♂)

0.10144

0.13138

15

0.772

0.460

Tarsus (♂)

−0.12486

0.57575

15

−0.217

0.833

Gape (♂)

−1.22274

0.89775

15

−1.362

0.206

Body length (♂)

0.02410

0.09502

15

0.254

0.805

Weight (♀)

2.81313

1.28387

15

2.191

0.0561

Wing length (♀)

0.74688

0.42973

15

1.738

0.1162

Tail length (♀)

−0.04932

0.10551

15

−0.467

0.6513

Tarsus (♀)

−1.67433

0.63368

15

−2.642

0.0268*

Gape (♀)

1.43417

0.77106

15

1.860

0.0958

Body length (♀)

−0.15664

0.11699

15

−1.339

0.2134

  1. The best fitting model was shown above. The weight, tarsal length, wing length, tail length, gape and body length of parental birds were included in the model as random factors, body weight of fledglings as independent variable
  2. * Positive and negative effective factors represent heavier or lighter mean nest weight at p < 0.05, respectively