lone grey-bellied cuckoo perched on a dead tree branch

greybellied cuckoo cacomantis passerinus perched cuculiformes cuculidae wild bird wildlife vertical indian plaintive asia india widespread smaller grey plumage sitting tree feathers cute adult wing tropical forest sri lanka ornithology natural nature avian fauna park brood parasite single egg noisy species woodland background birdwatching outdoor songbirds birding animal close perching environment ecosystem eye side view lone grey-bellied dead branch called