Eastern Reef Egret (Dark Morph) – Egretta sacra

Eastern Reef Dark Morph
Eastern Reef  Egret- Dark Morph, there is also a Pale or White Morph.

Eastern Reef Dark Morph
Eastern Reef Egret – Dark Morph, as their name indicates they live on reefs or rock outcrops.
Other Egret species live in more brine or fresh water.