Ostriches | Rheas | Kiwis | Cassowaries | Tinamous | Waterfowl | Landfowl | Nightjars | Oilbird | Frogmouths | Owlet-nightjars | Treeswifts, Swifts, Hummingbirds | Turacos | Bustards | Cuckoos | Mesites | Sandgrouse | Doves, Pigeons | Cranes, Rails & relatives | Grebes | Flamingos | Shorebirds | Sunbittern, Kagu | Loons | Penguins | Tubenoses | Storks | Gannets, Cormorants & relatives | Pelicans, Ibises, Herons & relatives | Hoatzin | Birds of Prey | Owls | Mousebirds | Cuckoo roller | Trogons | Hornbills, Hoopoes, Wood hoopoes | Rollers, Kingfishers, Bee-eaters & relatives | Woodpeckers and Relatives | Seriemas | Falcons, Caracaras | Parrots | Perching birds (Songbirds) |
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Lesser New Guinea hornbill
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Rhyticeros plicatus ruficollis (Syn.: Aceros plicatus ruficollis)
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(VIEILLOT, 1816) |
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| Subspecies: | This subspecies is controversial.
This subspecies is recognized by Howard & Moore, but in the Handbook Birds of World is the species monotypic. |
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