Concise hierarchy
	(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Order) Cuculiformes - (Family) Cuculidae
Original position
Current position
	Alternative positions
	
			Historical positions
			
				
					| Cuculinae (Subfamily) Vigors, 1825 | Ref: 
							
								E.C. Dickinson, 2003: 207. | 
					
						| Cuculidae (Family) Vigors, 1825 | Ref: 
								
									B.L. Monroe Jr. & C.G. Sibley, 1993: 44. | 
						
							| Cuculinae (Subfamily) Vigors, 1825 | Ref: 
									
										C.M. Perrins, 1991 (1990) | 
							
								| Cuculidae (Family) Vigors, 1825 | Ref: 
										
											W.J. Bock, 1982: 988.
										 [rough position] | 
								
									| Cuculinae (Subfamily) Vigors, 1825 | Ref: 
											
												B. Grzimek et al., 1975 (1969): 575. | 
									
										| Picae (Order) Linnaeus, 1758 | Ref: 
												
													C. a Linné, 1766: 117, 168. | 
										
											| Picae (Order) Linnaeus, 1758 | Ref: 
													
														C. Linnaeus, 1758: 83, 110. | 
										
										Number of Subtaxa