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Table 1 Results of model selection for the effect of two snow variables on the probability that 9 snowy owls entered into a searching behavioural state during their pre-breeding prospecting movements in northern Canada in 2008, 2009 and 2010

From: Is pre-breeding prospecting behaviour affected by snow cover in the irruptive snowy owl? A test using state-space modelling and environmental data annotated via Movebank

Variable tested

Model

df

ΔAIC

logLik

Deviance

snow cover

snow cover

5

0

−1671

3343

null

4

12.5

−1679

3357

snow depth

snow depth

5

0

−347.3

694.7

null

4

6.0

−351.3

702.7

  1. In all models, individual’s ID and year (nested in animal ID) were included as random factors (n = 661 locations).