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Table 4 Mean tarsus 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)

Factor

Estimate

SE

df

F

p

Weight (♂)

2.32292

5.69813

15

0.408

0.693

Wing length (♂)

0.35965

1.03168

15

0.349

0.735

Tail length (♂)

0.29032

0.35960

15

0.807

0.440

Tarsus (♂)

−0.12749

1.57592

15

−0.081

0.937

Gape (♂)

−3.10323

2.45729

15

−1.263

0.238

Body length (♂)

0.04211

0.26009

15

0.162

0.875

Weight (♀)

7.75522

3.46074

15

2.241

0.0518

Wing length (♀)

1.99550

1.15836

15

1.723

0.1190

Tail length (♀)

−0.09771

0.28442

15

−0.344

0.7391

Tarsus (♀)

−4.68197

1.70813

15

−2.741

0.0228*

Gape (♀)

3.93638

2.07844

15

1.894

0.0908

Body length (♀)

−0.44973

0.31534

15

−1.426

0.1876

  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, tarsal length of fledglings as independent variable
  2. * Positive and negative effective factors represent longer or shorter mean tarsus length at p < 0.05, respectively