black colored `koel` or `cuckoo` bird sitting and staring on a roof gutter with green blur background.

alike alone animal asia asian avian background beak beautiful bird birds birdwatching black calls city closeup color colored corvus crow cuckoo cuckoos curious dark different dimorphic distinctive eudynamy eudynamys eye fauna feather feathers genus gray green horror india indian isolated koel koels large little lonely look loud natural nature one ornithology outdoor outdoors pacific perched plumage portrait raven roof sexually sitting size species staring watching wild wildlife wind wing