アフリカクロサギ Egretta gularis

Gangly heron with significant variation in plumage. Distinct dark morph is slate-gray with a white throat, while the palest morph is white with a yellow bill and lores. Pale gray intermediate morphs can also be found. Little Egret can look similar, but it has a darker bill than the white morph of the Western Reef-Heron. Primarily a coastal inhabitant, foraging on shorelines and in estuaries, but can also be found at some inland water bodies.