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Table 2 AICc model selection results for path analytical models examining factors affecting groundspeed over the ocean and along the coast

From: Automated telemetry reveals age specific differences in flight duration and speed are driven by wind conditions in a migratory songbird

Path model equations

K

AICc

ΔAICc

W

Cumulative W

Fisher’s C

tailwind ~ stage + age

16

67.36

0

0.70

0.68

17.81

groundspeed ~ stage + tailwind

tailwind ~ stage + age

17

69.34

1.98

0.26

0.96

14.94

groundspeed ~ stage + age + tailwind

tailwind ~ stage + age

18

73.44

6.08

0.03

0.99

13.86

groundspeed ~ stage + age + tailwind + crosswind

tailwind ~ stage + age

19

75.58

8.22

0.01

1

10.44

groundspeed ~ stage + age + tailwind + crosswind

crosswind ~ age

tailwind ~ stage + age

20

80.30

12.94

0

1

9.19

groundspeed ~ stage + age + tailwind + crosswind

crosswind ~ stage + age

tailwind ~ stage + age

13

115.39

48.03

0

1

78.69

  1. k represents the number of parameters in each path model. W and Cumulative W represent Akaike weights and cumulative model weights, respectively. Fisher’s C statistic = −2*ln(model likelihood). The null model is defined by the top model with paths to groundspeed removed