Figure 2
From: Foraging guild structure and niche characteristics of waterbirds in an epicontinental lake in Mexico
Cluster analysis of waterbird species by niche dimension: (a) feeding technique and (b) habitat use. The average Euclidean distances between all species pairs are marked with a dashed line (feeding technique = 1.112; habitat use = 1.058). Guild codes for feeding technique are (T1) divers, (T2) pickers, and (T3) generalists, and codes for habitat use are (H1) deep-water birds, (H2) medium-water birds, (H3) shallow-water birds, and (H4) generalist birds in waters with vegetation in both peripheral and interior zones.