The near passerine bird order Cuculiformes traditionally included three families as below:

• Musophagidae - turacos and allies
• Cuculidae - cuckoos, coucals, roadrunners and anis
• Opisthocomidae - Hoatzin (or Opisthocomiformes)

Projects
This article is part of Project Bird Orders, a All Birds project that aims to write comprehensive articles on each bird order, including made-up orders. This article is part of Project Bird Taxonomy, a All Birds project that aims to write comprehensive articles on every order, family and other taxonomic rank related to birds. v · d · e Birds Kingdom: Animalia• Phylum: Chordata• Class: Aves General Bird • Bird topography • Bird anatomy • Bird senses • Feathers • Bird diets • Bird behaviour (Singing • Intelligence • Migration • Incubation • Brood parasites • Nesting • Hybrids) • Bird reproduction • Bird migration • Bird orders • Bird habitats • Eggs • Beak • Dactyly • Preen gland Evolution Evolution of birds • Origin of birds • Darwin's finches • Seabirds Palaeognathae Struthioniformes (ratites) • Rheiformes (rheas) • Casuariiformes (cassowaries and emus) • Apterygiformes (kiwis) • Tinamiformes (tinamous) Neognathae Accipitriformes • Anseriformes (waterfowl) • Apodiformes (swifts and hummingbirds) • Ardeiformes (herons and allies) • Bucerotiformes (hornbills and allies) • Caprimulgiformes (nightjars and relatives) • Cariamae (seriemas and relatives) • Cathartiformes {New World vultures) • Charadriiformes (gulls and relatives) • Ciconiiformes (storks) • Coliiformes (mousebirds) • Columbiformes (doves and pigeons) • Coraciiformes (kingfishers and relatives) • Cuculiformes (cuckoos and relatives) • Eurypygiformes (sunbittern and kagu) • Falconiformes (falcons and relatives) • Galliformes (gamebirds) • Gaviiformes (loons or divers) • Gruiformes (cranes and relatives) • Leptosomatiformes (cuckoo roller) • Mesitornithiformes (mesites) • Musophagiformes (turacos and allies) • Nyctibiiformes (potoos) • Opisthocomiformes (hoatzin)) • Otidiformes (bustards) • Passeriformes (perching birds) • Pelecaniformes (pelicans and relatives) • Phaethontiformes (tropicbirds) • Phoenicopteriformes (flamingos) • Piciformes (woodpeckers and relatives) • Podargiformes (frogmouths) • Podicipediformes (grebes) • Procellariiformes (albatrosses and petrels) • Psittaciformes (parrots) • Pteroclidiformes (sandgrouses) • Sphenisciformes (penguins) • Steatornithiformes (oilbird) • Strigiformes (owls) • Suliformes (cormorants and allies) • Trogoniformes (trogons and quetzals)