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

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