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Table 6 Post-hoc contrasts associated with our best-supported model of Bewick’s Swan time spent on aggression

From: Aggressive behavioural interactions between swans (Cygnus spp.) and other waterbirds during winter: a webcam-based study

Contrast

Estimate

SE

t ratio

P value

T(A.M.):W(2018/2019) − T(Mid):W(2018/2019)

0.29

0.29

1.02

0.912

T(A.M.):W(2018/2019) − T(P.M.):W(2018/2019)

– 0.32

0.24

– 1.35

0.756

T(A.M.):W(2018/2019) − T(A.M.):W(2019/2020)

– 0.27

0.66

– 0.41

0.999

T(A.M.):W(2018/2019) − T(Mid):W(2019/2020)

– 0.63

0.46

– 1.38

0.739

T(A.M.):W(2018/2019) − T(P.M.):W(2019/2020)

2.01

0.81

2.49

0.131

T(Mid):W(2018/2019) − T(P.M.):W(2018/2019)

– 0.61

0.28

– 2.21

0.239

T(Mid):W(2018/2019) − T(A.M.):W(2019/2020)

– 0.56

0.67

– 0.84

0.961

T(Mid):W(2018/2019) − T(Mid):W(2019/2020)

– 0.93

0.48

– 1.93

0.388

T(Mid):W(2018/2019) − T(P.M.):W(2019/2020)

1.71

0.82

2.10

0.293

T(P.M.):W(2018/2019) − T(A.M.):W(2019/2020)

0.05

0.65

0.08

1.000

T(P.M.):W(2018/2019) − T(Mid):W(2019/2020)

– 0.31

0.45

– 0.70

0.982

T(P.M.):W(2018/2019) − T(P.M.):W(2019/2020)

2.33

0.80

2.91

0.045

T(A.M.):W(2019/2020) − T(Mid):W(2019/2020)

– 0.37

0.76

– 0.48

0.997

T(A.M.):W(2019/2020) − T(P.M.):W(2019/2020)

2.27

1.01

2.25

0.217

T(Mid):W(2019/2020) − T(P.M.):W(2019/2020)

2.64

0.90

2.95

0.040

  1. Parameters are as defined in Table 4. Statistically significant contrasts are in italics