This list is not comprehensive, as not all Strigiformes have had their numbers quantified. For a simple list of all owl species, see the article "List of owl species".
![]() | This article needs to be updated. (April 2020) |
The population of birds |
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Lists 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) Cuculiformes (cuckoos 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 ![]() Conservation status Extinct in the wild (EW)
Critically endangered (CR)
Endangered (EN)
Vulnerable (VU)
Near threatened (NT)
Least concern (LC)
Data deficient (DD)
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Related Lists of organisms by population Lists of mammals by population Late Quaternary prehistoric birds List of extinct birds Lists of birds by region |
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Common name | Binomial name | Population | Status | Trend | Notes | Image |
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Pernambuco pygmy owl | Glaucidium mooreorum | 50[1] | CR[1] | ![]() | Maximum estimate; possibly extinct.[1] | |
Siau scops owl | Otus siaoensis | 50[2] | CR[2] | Unknown[2] | Maximum estimate; possibly extinct.[2] | |
Anjouan scops owl | Otus capnodes | 70 – 400[3] | CR[3] | ![]() | Preliminary estimate.[3] | |
Forest owlet | Heteroglaux blewitti | 70 – 400[4] | CR[4] | ![]() | ![]() | |
Serendib scops owl | Otus thilohoffmanni | 250 – 999[5] | EN[5] | ![]() | ||
Long-whiskered owlet | Xenoglaux loweryi | 350 – 1500[6] | EN[6] | ![]() | ||
Manus masked owl | Tyto manusi | 350 – 1500[7] | VU[7] | ![]() | ||
São Tomé scops owl | Otus hartlaubi | 350 – 1500[8] | VU[8] | ![]() | ||
Taliabu masked owl | Tyto nigrobrunnea | 350 – 1500[9] | EN[9] | ![]() | ||
Moheli scops owl | Otus moheliensis | 400[10] | CR[10] | ![]() | ||
Christmas boobook | Ninox natalis | 1000[11] | VU[11] | ![]() | ||
Blakiston's fish owl | Ketupa blakistoni | 1500 – 4000[12] | EN[12] | ![]() | Preliminary estimate.[12] | ![]() |
Karthala scops owl | Otus pauliani | 2000[13] | CR[13] | ![]() | ||
Cloud-forest pygmy owl | Glaucidium nubicola | 2500 – 9999[14] | VU[14] | ![]() | ![]() | |
Javan scops owl | Otus angelinae | 2500 – 9999[15] | VU[15] | ![]() | ||
Shelley's eagle-owl | Bubo shelleyi | 2500 – 9999[16] | NT[16] | ![]() | ||
Togian boobook | Ninox burhani | 2500 – 9999[17] | NT[17] | ![]() | ||
Usambara eagle-owl | Bubo vosseleri | 2500 – 9999[18] | VU[18] | ![]() | ||
Powerful owl | Ninox strenua | 3250 – 4230[19] | LC[19] | ![]() | ![]() | |
Albertine owlet | Glaucidium albertinum | 3500 – 15 000[20] | VU[20] | ![]() | ||
Biak scops owl | Otus beccarii | 3500 – 15 000[21] | EN[21] | ![]() | ||
Cinnabar boobook | Ninox ios | 3500 – 15 000[22] | VU[22] | ![]() | ||
Congo bay owl | Phodilus prigoginei | 3500 – 15 000[23] | EN[23] | ![]() | ||
Enggano scops owl | Otus enganensis | 3500 – 15 000[24] | NT[24] | ![]() | Preliminary estimate.[24] | |
Giant scops owl | Otus gurneyi | 3500 – 15 000[25] | VU[25] | ![]() | Preliminary estimate.[25] | |
Golden masked owl | Tyto aurantia | 3500 – 15 000[26] | VU[26] | ![]() | ||
Minahasa masked owl | Tyto inexspectata | 3500 – 15 000[27] | VU[27] | ![]() | ||
Philippine eagle-owl | Bubo philippensis | 3500 – 15 000[28] | VU[28] | ![]() | Preliminary estimate.[28] | |
Red owl | Tyto soumagnei | 3500 – 15 000[29] | VU[29] | ![]() | ||
Rufous fishing owl | Scotopelia ussheri | 3500 – 15 000[30] | VU[30] | ![]() | ||
Sokoke scops owl | Otus ireneae | 3500 – 15 000[31] | EN[31] | ![]() | ![]() | |
White-fronted scops owl | Otus sagittatus | 3500 – 15 000[32] | VU[32] | ![]() | ||
Pemba scops owl | Otus pembaensis | 4500[33] | VU[33] | ![]() | Preliminary estimate.[33] | |
Fearful owl | Nesasio solomonensis | 6000[34] | VU[34] | ![]() | Minimum estimate.[34] | |
Colombian screech owl | Megascops colombianus | 10 000[35] | NT[35] | ![]() | Preliminary minimum estimate.[35] | |
Mantanani scops owl | Otus mantananensis | 10 000 – 19 999[36] | NT[36] | ![]() | ||
Sumba boobook | Ninox rudolfi | 10 000 – 19 999[37] | NT[37] | ![]() | Preliminary estimate.[37] | |
Spotted owl | Strix occidentalis | 15 000[38] | NT[38] | ![]() | ||
Chestnut-backed owlet | Glaucidium castanonotum | 15 000 – 30 000[39] | NT[39] | ![]() | Preliminary estimate.[39] | ![]() |
Least boobook | Ninox sumbaensis | 15 000 – 30 000[40] | NT[40] | ![]() | Preliminary estimate.[40] | |
Mentawai scops owl | Otus mentawi | 15 000 – 30 000[41] | NT[41] | ![]() | Preliminary estimate.[41] | |
Mindoro scops owl | Otus mindorensis | 15 000 – 30 000[42] | NT[42] | ![]() | ||
New Britain boobook | Ninox odiosa | 15 000 – 30 000[43] | VU[43] | ![]() | ||
Ochre-bellied boobook | Ninox ochracea | 15 000 – 30 000[44] | NT[44] | ![]() | Preliminary estimate.[44] | |
Palawan scops owl | Otus fuliginosus | 15 000 – 30 000[45] | NT[45] | ![]() | ||
Balsas screech owl | Megascops seductus | 20 000 – 49 999[46] | NT[46] | ![]() | ||
Bearded screech owl | Megascops barbarus | 20 000 – 49 999[47] | VU[47] | ![]() | ||
Central American pygmy owl | Glaucidium griseiceps | 20 000 – 49 999[48] | LC[48] | ![]() | ![]() | |
Colima pygmy owl | Glaucidium palmarum | 20 000 – 49 999[49] | LC[49] | ![]() | ||
Fulvous owl | Strix fulvescens | 20 000 – 49 999[50] | LC[50] | ![]() | ![]() | |
Pacific screech owl | Megascops cooperi | 20 000 – 49 999[51] | LC[51] | ![]() | ||
Tamaulipas pygmy owl | Glaucidium sanchezi | 20 000 – 49 999[52] | LC[52] | ![]() | ||
Unspotted saw-whet owl | Aegolius ridgwayi | 20 000 – 49 999[53] | LC[53] | ![]() | ||
Black-and-white owl | Strix nigrolineata | 50 000 – 499 999[54] | LC[54] | ![]() | ||
Crested owl | Lophostrix cristata | 50 000 – 499 999[55] | LC[55] | ![]() | ![]() | |
Middle American screech owl | Megascops guatemalae | 50 000 – 499 999[56] | LC[56] | ![]() | ||
Stygian owl | Asio stygius | 50 000 – 499 999[57] | LC[57] | ![]() | ![]() | |
Great grey owl | Strix nebulosa | 60 000[58] | LC[58] | ![]() | Minimum estimate.[58] | ![]() |
Long-eared owl | Asio otus | 1 500 000 - 5 000 000[59] | LC[59] | ![]() | ![]() | |
Northern hawk-owl | Surnia ulula | 130 000[60] | LC[60] | ![]() | Minimum estimate.[60] | ![]() |
Eurasian eagle-owl | Bubo bubo | 250 000 – 2 500 000[61] | LC[61] | ![]() | Preliminary estimate.[61] | ![]() |
Snowy owl | Bubo scandiaca | 300 000[62] | LC[62] | ![]() | Minimum estimate.[62] | ![]() |
Eurasian pygmy owl | Glaucidium passerinum | 300 000 – 1 500 000[63] | LC[63] | ![]() | ||
Mottled owl | Strix virgata | 500 000 – 4 999 999[64] | LC[64] | ![]() | ![]() | |
Spectacled owl | Pulsatrix perspicillata | 500 000 – 4 999 999[65] | LC[65] | ![]() | ![]() | |
Striped owl | Pseudoscops clamator | 500 000 – 4 999 999[66] | LC[66] | ![]() | ![]() | |
Eurasian scops owl | Otus scops | 1 000 000 – 3 000 000[67] | LC[67] | ![]() | Preliminary estimate.[67] | |
Boreal owl | Aegolius funereus | 1 700 000[68] | LC[68] | ![]() | Minimum estimate.[68] | ![]() |
Short-eared owl | Asio flammeus | 2 000 000[69] | LC[69] | ![]() | Minimum estimate.[69] | ![]() |
Tawny owl | Strix aluco | 2 000 000 – 6 000 000[70] | LC[70] | ![]() | Preliminary estimate.[70] | ![]() |
Little owl | Athene noctua | 5 000 000 – 15 000 000[71] | LC[71] | ![]() | Preliminary estimate.[71] | ![]() |
Birds by population | |
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