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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