Table 3 Determinants of nestlings body mass ( n = 28) (variables retained in the final model are in bold)

Treatment

0.03

0.02 ± 0.15

0.87

Brood Size

1, 20

9.10

−0.59 ± 0.18

<0.01

Female UV Chroma

1, 20

1.80

−0.41 ± 0.17

0.03

Egg-Laying Date

1, 20

11.95

0.64 ± 0.18

<0.01

Treatment*Egg Laying Date

0.28

0.09 ± 0.18

0.61

Treatment*Brood Size

0.46

−0.12 ± 0.18

0.50

Treatment*Female UV Chroma

0.91

−0.17 ± 0.18

0.35