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Table 2 95% confidence intervals for averaged coefficient estimates appearing in models with ΔAICc < 2 that are at least 2 AICc better than the intercept-only model for each response variable of interest

From: Age-related differences in fall migration timing and performance of juvenile and adult Wood Thrushes departing from a breeding site

Response variable

Coefficient

Estimate

2.5%

97.5%

Migration date

Intercept

− 770.7

−3839.0

2297.6

Age

8.2

4.7

11.6

Sex

1.1

−2.1

4.3

Year

1.2

−0.33

2.7

Age*sex

4.9

−0.026

9.9

Time of day

Intercept

89.3

−155.1

333.7

Age

− 0.24

−0.44

− 0.03

Sex

− 0.09

−0.30

0.11

Year

− 0.08

−0.21

0.042

Speed (km/h)

Intercept

− 7353.4

− 25,319.1

10,612.30

Age

6.8

− 2.2

15.8

Year

7.3

− 0.27

14.80

Tailwind

2.3

1.3

3.3

Pace (km/day)

Intercept

1665.8

− 35,961.9

39,293.6

Age

19.0

− 0.30

38.3

Sex

3.3

− 12.6

19.2

Year

− 0.8

− 19.4

17.8

Latitude

− 3.3

− 6.0

− 0.66

Departure date

0.99

− 0.27

2.3

  1. All data was collected during 2016–2019 as birds departed from the study site in Norfolk County, Ontario, or as they travelled south through the eastern United States