male common koelasian koel bird stair at camera in nature

and animal asia asian background beak beautiful bird birding birds birdwatching black branch brood brown closeup common cuckoo cuculidae cuculiformes eudynamys eye feather forest green india indian jungle koel natural nature ornithology outdoor parasite perched scolopacea scolopaceus sitting species subcontinent thai thailand tree tropical watching white wild wilderness wildlife wing