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Table 1 Site, sex and age specific colouration of yellow warbler plumage

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

  

Revelstoke

  

Male

Female

  

SY (n = 16)

ASY (n = 50)

SY (n = 28)

ASY (n = 25)

  

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Tail

Hue

53.81

0.93

54.14

0.77

53.02

1.21

53.91

0.99

 

Chroma

62.12

6.71

67.62

5.46

53.99

6.61

54.72

8.1

GC

Hue

52.39

1.12

52.77

0.89

50.23

1.64

51.74

0.82

 

Chroma

62.97

9.53

68.99

5.59

46.03

11.2

50.47

7.65

  

Inuvik

  

Male

Female

  

SY (n = 13)

ASY (n = 117)

SY (n = 52)

ASY (n = 62)

Tail

Hue

53.23

0.46

53.13

0.98

52.01

1.31

52.36

1.62

 

Chroma

55.43

6.37

60.44

6.44

48.14

6.97

49.38

7.82

GC

Hue

52.82

0.58

52.58

0.87

50.96

1.06

50.96

1.15

 

Chroma

60.2

7.53

65.36

6.65

46.63

7.24

48.37

8.95

  1. Variation in colour (hue and chroma values) of the yellow inner web of the third outer right tail rectrix and yellow edge of the greater covert (GC) collected from yellow warblers breeding in Revelstoke, B.C., and Inuvik, N.W.T. Means are presented ± 1 SD.
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BMC Ecology

ISSN: 1472-6785

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