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Table 4 Ranked models used to test explanatory variables (elk availability (elk/wolf), deer availability (deer/elk), cow elk to calf ratios, and mean snow depth) for changes in proportions of elk calves in summer cougar diets over time, including AIC scores, ∆AIC, W i , and likelihoods, in order of performance, best to worst

From: Recolonizing wolves influence the realized niche of resident cougars

Model no. No. of variables Model AIC ΔAIC W i Likelihood
1 2 {Deer/Elk + Cow Calf} 85.793 0.00 0.29 1.00
2 2 {Cow Calf + Snow} 85.8264 0.03 0.29 0.98
3 2 {Elk/Wolf + Snow} 87.0374 1.24 0.16 0.54
4 1 {Snow} 88.254 2.46 0.09 0.29
5 1 {Cow Calf} 88.8982 3.11 0.06 0.21
6 3 {Deer/Elk + Cow Calf + Snow} 89.8507 4.06 0.04 0.13
7 2 {Deer/Elk + Snow} 90.3895 4.60 0.03 0.10
8 3 {Elk/Wolf + Cow Calf + Snow} 91.6315 5.84 0.02 0.05
9 3 {Deer/Elk + Elk/Wolf + Cow Calf} 92.9873 7.19 0.01 0.03
10 2 {Elk/Wolf + Cow Calf} 93.1075 7.31 0.01 0.03
11 3 {Deer/Elk + Elk/Wolf + Snow} 93.6315 7.84 0.01 0.02
12 1 {Deer/Elk} 96.3017 10.51 0.00 0.01
13 2 {Deer/Elk + Elk/Wolf} 97.3428 11.55 0.00 0.00
14 1 {Elk/Wolf} 98.0101 12.22 0.00 0.00
15 4 {Deer/Elk + Elk/Wolf + Cow Calf + Snow} 101.6466 15.85 0.00 0.00