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Table 2 Model selection establishing variations in Common Blackbird presence in relation to fine-scale gradients of habitat and time since sunrise

From: Vineyards, but not cities, are associated with lower presence of a generalist bird, the Common Blackbird (Turdus merula), in Western France

Model Fixed parameters df LL AICc ΔAICc wi
Woodland census sites
 M0 Null model 1 − 21.083 44.303 0 0.240
 M1 Time 2 − 19.979 44.386 0.083 0.230
 M2 PC1W + Time 3 − 19.161 45.211 0.908 0.153
 M3 PC1W 2 − 20.553 45.535 1.232 0.130
 M4 PC2W 2 − 21.003 46.435 2.132 0.130
Urban census sites
 M1 PC1U 2 ‒ 19.526 43.480 0 0.241
 M0 Null model 1 ‒ 20.690 43.519 0.039 0.236
 M2 Time 2 ‒ 20.001 44.430 0.951 0.150
 M3 PC1U + Time 3 ‒ 18.857 44.603 1.123 0.137
 M4 PC2U 2 ‒ 20.677 45.782 2.302 0.076
Farmland census sites
 M0 Null model 1 ‒ 19.493 41.123 0 0.351
 M1 Time 2 ‒ 18.919 42.267 1.144 0.198
 M2 PC2F 2 ‒ 19.308 43.045 1.921 0.134
 M3 PC1F 2 ‒ 19.469 43.367 2.244 0.114
 M4 PC2F + Time 3 ‒ 18.563 44.015 2.891 0.083
  1. Models are ranked according to decreasing statistical support, as indicated by AICc. Woodlands: PC1W, PC2W; Urban sites: PC1U, PC2U; Farmlands: PC1F, PC2F. Time since sunrise: Time. The five best models are shown