One of the Pond Herons found in Thailand which display different plumages according to season

birds birds of thailand birds of asia forest birds tropical birds tropical birds of asia tropical birds of thailand herons herons of thailand herons of asia pond herons pond herons of asia chinese pond heron chinese pond heron in thailand chinese pond heron in asia chinese pond heron in adult in winter plumage ardeola bacchus ardeola bacchus in thailand ardeola bacchus in asia freshwater bird freshwater birds in thailand freshwater birds in asia ardeidae ardeidae in thailand ardeidae in asia water birds water birds of thailand water birds of thailand of asia wild birds wild birds of thailand wild birds of asia nature nature of thailand nature of asia wildlife wildlife in thailand wildlife in asia wild animals wild animals in thailand wild animals in asia animals animals in thailand animals in asia ornithology ornithology in thailand ornithologist bird watching bird watching in thailand birding