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Table 5 Effect sizes for our best-supported models of Whooper and Bewick’s Swan time spent on aggression

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

Species Model Parameter Estimate SE Variance SD
Whooper Swans Conditional i 1.68 0.70
   N 0.04 0.02
   (i|D) 0.17 0.41
  Zero-inflation i –1.79 0.82
Bewick’s Swans Conditional i 1.09 0.19
   T(Mid) –0.29 0.29
   T(P.M.) 0.32 0.24
   W(2019/2020) 0.27 0.66
   T(Mid):W(2019/2020) 0.66 0.82
   T(P.M.):W(2019/2020) –2.59 1.03
   (i|D) 0.15 0.38
  Zero-inflation i 0.33 0.16
  1. The mean and SE estimated effect sizes associated with each of the parameters (as defined in Table 4) in our best-supported models of Whooper and Bewick’s Swan time spent on aggression. Additionally, the variance (and SD) associated with the random effect of observation identity is also shown