channel-billed cuckoo (scythrops novaehollandiae)are the largest species of cuckoo found in australia

channel bill cuckoo scythrops novaehollandiae migratory bird papua guinea wildlife gold coast queensland australia paper bark tree wild beautiful animal ornithology exotic avian nature endemic beak animals billed colorful colourful watching feathers hornbill large black parasitic fly cuckoos gray feather channelbilled background red eye ring closeup grey natural portrait