Fig. 4

Ecological niche similarity (D: Schoener's D; I: Hellinger's I) between species (CI, Crested Ibis; LE, Little Egret; GH, Grey Heron; CPH, Chinese Pond Heron; ECE, Eastern Cattle Egret; BNH, Black-crowned Night Heron).
Ecological niche similarity (D: Schoener's D; I: Hellinger's I) between species (CI, Crested Ibis; LE, Little Egret; GH, Grey Heron; CPH, Chinese Pond Heron; ECE, Eastern Cattle Egret; BNH, Black-crowned Night Heron).