List of Coliiformes by population

The population of birds

Lists Accipitriformes (hawks, eagles, vultures, and kites) Anseriformes (waterfowl) Apodiformes (swifts and hummingbirds) Bucerotiformes (hornbills and hoopoes) Caprimulgiformes (nightjars and relatives) Charadriiformes (gulls and relatives) Ciconiiformes (storks and relatives) Coliiformes (mousebirds) Columbiformes (doves and pigeons) Coraciiformes (kingfishers and relatives) Cuculiformes (cuckoos and relatives) Falconiformes (falcons and relatives) Galliformes (gamebirds) Gaviiformes (loons or divers) Gruiformes (cranes and relatives) Mesitornithiformes (mesites) Musophagiformes (turacos) Otidiformes (bustards) Passeriformes (perching birds) Pelecaniformes (pelicans and relatives) Phaethontiformes (tropicbirds) Phoenicopteriformes (flamingos) Piciformes (woodpeckers and relatives) Podicipediformes (grebes) Procellariiformes (albatrosses and petrels) Psittaciformes (parrots) Pterocliformes (sandgrouse) Sphenisciformes (penguins) Strigiformes (owls) Struthioniformes (ostriches) Suliformes (cormorants and relatives) Tinamiformes (tinamous) Trogoniformes (trogons and quetzals)
Key Conservation status Extinct in the wild (EW) Critically endangered (CR) Endangered (EN) Vulnerable (VU) Near threatened (NT) Least concern (LC) Data deficient (DD)
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 Coliiformes species by global population. While numbers are estimates, they have been made by the experts in their fields.

The IOC World Bird List (version 15.1) recognizes 6 species of Coliiformes.^[1] As of December 2025, IUCN/BirdLife International have assessed all members, but no population estimates have been quantified.

Species by global population

Common name	Binomial name	Population	Status	Trend	Notes	Image
Red-backed mousebird	Colius castanotus	unknown^[2]	LC^[2]	^[2]
White-backed mousebird	Colius colius	unknown^[3]	LC^[3]	^[3]
White-headed mousebird	Colius leucocephalus	unknown^[4]	LC^[4]	^[4]
Speckled mousebird	Colius striatus	unknown^[5]	LC^[5]	^[5]
Red-faced mousebird	Urocolius indicus	unknown^[6]	LC^[6]	?^[6]
Blue-naped mousebird	Urocolius macrourus	unknown^[7]	LC^[7]	^[7]

References

^ "Mousebirds, Cuckoo Roller, trogons, hoopoes, hornbills – IOC World Bird List". www.worldbirdnames.org. Retrieved 2025-12-22.
^ ^a ^b ^c BirdLife International (2024). "Colius castanotus". IUCN Red List of Threatened Species. 2024 e.T22683784A264063841. doi:10.2305/IUCN.UK.2024-2.RLTS.T22683784A264063841.en. Retrieved 2025-12-22.
^ ^a ^b ^c BirdLife International (2024). "Colius colius". IUCN Red List of Threatened Species. 2024 e.T22683788A263670528. doi:10.2305/IUCN.UK.2024-2.RLTS.T22683788A263670528.en. Retrieved 2025-12-22.
^ ^a ^b ^c BirdLife International (2024). "Colius leucocephalus". IUCN Red List of Threatened Species. 2024 e.T22683780A263672602. doi:10.2305/IUCN.UK.2024-2.RLTS.T22683780A263672602.en. Retrieved 2025-12-22.
^ ^a ^b ^c BirdLife International (2024). "Colius striatus". IUCN Red List of Threatened Species. 2024 e.T22683776A263660058. doi:10.2305/IUCN.UK.2024-2.RLTS.T22683776A263660058.en. Retrieved 2025-12-22.
^ ^a ^b ^c BirdLife International (2024). "Urocolius indicus". IUCN Red List of Threatened Species. 2024 e.T22683796A263668175. doi:10.2305/IUCN.UK.2024-2.RLTS.T22683796A263668175.en. Retrieved 2025-12-22.
^ ^a ^b ^c BirdLife International (2024). "Urocolius macrourus". IUCN Red List of Threatened Species. 2024 e.T22683792A263670912. doi:10.2305/IUCN.UK.2024-2.RLTS.T22683792A263670912.en. Retrieved 2025-12-22.