two white heron bubulcus ibis sitting on a tree (republic of the congo)

adult africa african animalia ardea ardeidae area basin bayanga beak biodiversity bomassa brazzaville bubulcus cattle central climate colonies colony congo department ecosystem egret egretta equator equatorial fauna feathered feathers flora forest french heron humid ibis national ndoki nouabal park protected rainforest recreation republic river saharan sangha sitting small stocky summer tree tropical two white wildlife yellow