Dusky Broadbill, Corydon sumatranus, UNESCO World Heritage, Kaeng Krachan National Park, Thailand

dusky broadbill nesting broadbill broadbills of thailand broadbills montane birds kaeng krachan national park birding passeriformes corydon sumatranus black feathers foraging nest birds wildlife bird watching perch ornithology conservation natuaral habitat branch nature 4k footage montane forest jungle natural habitat diurnal feather national park feathers thailand forest wings animals tree monotypic flying eurylaimidae of asia tail 4k resolution foliage world heritage bill corydon trees tropical black green unesco eurylaimidae