Skip to main content
. 2016 Apr 7;7:11250. doi: 10.1038/ncomms11250

Table 2. Average Euclidian distances between species calculated using the first three axes of a PCA on diet item scores per species within guilds (bold) and between guilds.

  Carnivore Frugivore Granivore Herbivore Insectivore Nectarivore Piscivore Omnivore
Carnivore 1.296 (0.017)              
Frugivore 9.286 (0.008) 2.375 (0.004)            
Granivore 9.335 (0.009) 11.503 (0.004) 2.455 (0.005)          
Herbivore 3.723 (0.020) 7.980 (0.009) 6.770 (0.011) 2.131 (0.023)        
Insectivore 9.134 (0.004) 11.153 (0.002) 11.749 (0.002) 8.107 (0.004) 1.782 (0.001)      
Nectarivore 2.601 (0.011) 10.469 (0.005) 11.071 (0.006) 5.381 (0.013) 9.588 (0.002) 1.575 (0.008)    
Piscivore 2.261 (0.017) 8.405 (0.008) 8.408 (0.010) 2.613 (0.020) 7.695 (0.004) 3.707 (0.012) 1.368 (0.018)  
Omnivore 5.760 (0.008) 7.470 (0.004) 7.678 (0.004) 4.133 (0.009) 7.019 (0.002) 7.052 (0.005) 4.435 (0.008) 4.337 (0.004)

Omnivores show higher within-guild average Euclidian distances than other guilds, suggesting that the diet similarity observed among omnivorous species is on average lower than diet similarity seen within any other guild. Numbers within parenthesis indicate s.e.'s.