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Table 4 Total and mean overlap values for species within guilds, for each guild, and for all species

From: Foraging guild structure and niche characteristics of waterbirds in an epicontinental lake in Mexico

  Feeding technique Habitat use Both dimensions
T T1 T2 T3 T T1 T2 T3 T T1 T2 T3
Guild
G1 Mean observed 0.97 0.17 1.00 1.00 0.99 0.86 0.89 0.96 0.94 0.08 0.89 0.96
G2 Mean observed 1.00 1.00 1.00 1.00 0.60 0.56 0.45 0.51 0.60 0.56 0.57 0.51
G3 Mean observed 0.90 0.96 0.98 0.49 0.70 0.82 0.52 0.30 0.65 0.81 0.54 0.27
G4 Mean observed 0.61 0.31 1.00 0.58 0.47 0.23 0.27 0.64 0.29 0.12 0.23 0.40
Null models (all species)
  Mean observed 0.48 0.47 0.57 0.40 0.42 0.33 0.35 0.41 0.19 0.16 0.22 0.17
  Mean expected 0.45 0.41 0.47 0.41 0.32 0.26 0.26 0.34 0.15 0.13 0.14 0.15
  p 0.26 0.11 0.04 0.58 0.01 0.01 0.01 0.05 0.02 0.11 0.01 0.01
  1. Guilds formed by only one bird species were not considered in this analysis. G1, divers; G2, pickers in water, mud, and vegetation; G3, pickers with neck submerged; G4, generalist; T, total; T1, February to May; T2, May to September; T3, September to February.