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Table 3 Impacts of breeding location, sex, age and tail colour on wintering habitat acquisition

From: Individual quality explains association between plumage colouration, arrival dates and mate acquisition in yellow warblers (Setophaga petechia)

Winter Habitat

r2

Variable

β

SE

F

Prob > F

δ13C

0.1

Intercept

-22.88

0.2

-

-

  

Year 2010

-0.25

0.25

3.01

0.05

  

Year 2011

-0.67

0.28

-

-

  

Location REVELSTOKE

1.33

0.23

34.03

<0.001

  

SexMALE

-

-

3

0.08

  

AgeSY

-

-

0.13

0.72

  

Tail Hue

-

-

0.2

0.66

  

Tail Chroma

-

-

0.52

0.47

δ15N

0.02

Intercept

8.67

0.17

-

-

  

Year 2010

-0.03

0.19

3.36

0.04

  

Year 2011

-0.5

0.21

-

-

  

LocationREVELSTOKE

-

-

0

0.96

  

Sex MALE

0.33

0.17

3.9

0.05

  

AgeSY

  

0.18

0.67

  

Tail Hue

  

0.51

0.48

  

Tail Chroma

  

0.32

0.57

  1. Summary of the effects of breeding location, sex, age and tail colour (Hue and Chroma) on δ13C and δ15N ratios measured in winter grown greater coverts. We present the adjusted r2 for the final model. Beta values ± standard error are given for significant terms (in bold). Two-way interactions were examined but none were found to be significant (all p > 0.05).