List of Cuculiformes by population

The population of birds
Lists Accipitriformes (hawks, eagles, vultures, and kites) Anseriformes (waterfowl) Apodiformes (swifts and hummingbirds) Caprimulgiformes (nightjars and relatives) Charadriiformes (gulls and relatives) Ciconiiformes (storks and relatives) Columbiformes (doves and pigeons) Coraciiformes (kingfishers and relatives) Falconiformes (falcons and relatives) Galliformes (gamebirds) Gaviiformes (loons or divers) Gruiformes (cranes and relatives) Passeriformes (perching birds) Pelecaniformes (pelicans and relatives) Phoenicopteriformes (flamingos) Piciformes (woodpeckers and relatives) Podicipediformes (grebes) Procellariiformes (albatrosses and petrels) Psittaciformes (parrots) Sphenisciformes (penguins) Strigiformes (owls) Struthioniformes (ratites) Tinamiformes (tinamous) Trogoniformes (trogons and quetzals)
Key
Related Lists of organisms by population Lists of mammals by population List of Late Quaternary prehistoric bird species List of extinct birds Lists of birds by region

This is a list of Cuculiformes species by global population. While numbers are estimates, they have been made by the experts in their fields. For more information on how these estimates were ascertained, see Wikipedia's articles on population biology and population ecology.

This list is incomprehensive, as not all Cuculiformes have had their numbers quantified.

Common name	Binomial name	Population	Status	Trend	Notes	Image
Black-hooded coucal	Centropus steerii	50-249[1]	CR[1]	[1]
Sumatran ground cuckoo	Carpococcyx viridis	50-249[2]	CR[2]	[2]
Cocos cuckoo	Coccyzus ferrugineus	250-999[3]	VU[3]	[3]	The total population is probably significantly below 1,000 individuals.[3]
Banded ground cuckoo	Neomorphus radiolosus	2,500-12,000[4]	VU[4]	[4]
Bay-breasted cuckoo	Coccyzus rufigularis	300-2,900[5]	EN[5]	[5]
Green-billed coucal	Centropus chlororhynchus	2,500-9,999[6]	VU[6]	[6]	The population is unlikely to number more than a few thousand individuals.[6]
Red-faced malkoha	Phaenicophaeus pyrrhocephalus	2,500-9,999[7]	VU[7]	[7]	Recent study suggests the population size may now be no greater than several hundred individuals.[7]
Sunda coucal	Centropus nigrorufus	2,500-9,999[8]	VU[8]	[8]
Biak coucal	Centropus chalybeus	10,000 – 19,999[9]	NT[9]	[9]	No population estimates are available.[9]
Moluccan cuckoo	Cacomantis aeruginosus	6,000-15,000[10]	LC[10]	[10]
Short-toed coucal	Centropus rectunguis	15,000 – 30,000[11]	VU[11]	[11]	The global population size has not been quantified but is believed to be large given the range and frequency of records in suitable habitat.[11]
Violaceous coucal	Centropus violaceus	6,700-61,000[12]	LC[12]	[12]
Lesser ground cuckoo	Morococcyx erythropygus	50,000-499,999[13]	LC[13]	[13]
Pheasant cuckoo	Dromococcyx phasianellus	50,000-499,999[14]	LC[14]	[14]
Great spotted cuckoo	Clamator glandarius	3,000,000-10,499,999[15]	LC[15]	[15]
Lesser roadrunner	Geococcyx velox	500,000-4,999,999[16]	LC[16]	[16]
Striped cuckoo	Tapera naevia	500,000-4,999,999[17]	LC[17]	[17]
Squirrel cuckoo	Piaya cayana	5,000,000 – 50,000,000[18]	LC[18]	[18]	The global population has not been quantified due to recent taxonomic splits.[18]
Mexican squirrel cuckoo	Piaya mexicana	5,000,000 – 50,000,000[19]	LC[19]	[19]	The global population has not been quantified due to recent taxonomic splits.[19]
Common cuckoo	Cuculus canorus	34,600,000-54,400,000[20]	LC[20]	[20]	Preliminary estimate.[20]

• Lists of birds by population
• Lists of organisms by population