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Slaty Egrets are largely sedentary but they shows some movement in response to rains, which cause seasonal variations in wetland conditions.
The Slaty Egret, Egretta vinaceigula, is a small, dark egret.
These are the yellow legs and the vinous brown throat of the Slaty Egret, which extends down right onto the belly in immature birds.
Slaty Egret does not display the characteristic 'mantling' behaviour of the Black Egret.
Slaty Egrets usually forage in small flocks of 4-8 birds, although it may forage solitarily or even in larger aggregations of up to 60 birds.
Participants explore the delta by mokoros, traditional dugout canoes, which allow intimate viewing of the region's numerous birds, including wattled cranes, slaty egrets and the rare Pel's fishing owl.
Once we see an all-dark slaty egret, one of the rarest herons in the world, whose range is limited to the Okavango Delta and nearby upper reaches of the Zambezi River.
The Slaty Egret is an inhabitant of floodplains, freshwater marshes, and temporary shallow wetlands, it shows a preference for areas where the water levels are falling back from their peak following seasonal rains.
Until 1971, the Slaty Egret and more widespread Black Egret Egretta ardesiaca were thought to be colour morphs of the same species but the Slaty Egret shows consistent features which separate it from the Black Egret.
The Slaty Egret, Egretta vinaceigula, is a small, dark egret.