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Table 1 Allometry of mass of all feathers, number of feathers, and mean mass per feather

From: The allometry of number of feathers in birds changes seasonally

Variable

F

d.f.

p

Estimate

SE

Log mass of all feathers

516.80

1, 74.46

<0.0001

0.972

0.043

Log no. feathers

165.02

1, 89.46

<0.0001

0.266

0.030

Log mean mass of individual feathers

305.24

1, 73.1

<0.0001

0.768

0.044

  1. The random effect of species for log mass of feathers was 0.0034, 95% CI = −0.0002, 0.0070 accounting for 24% of the variance. The random effect of species for log number of feathers was 0.0047, 95% CI = 0.0021, 0.0073 accounting for 55% of the variance. The random effect of species for log mass of each feather was 0.0039, 95% CI = −0.00007, 0.0078 accounting for 26% of the variance.
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Avian Research

ISSN: 2053-7166