# List of Strigiformes by population

This list of owls 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".
Extinct species:
* Bermuda saw-whet owl, described from fossil records and explorer accounts of the bird in the 17th century.
* Laughing owl, last seen in 1914.
* Mauritius scops owl, last seen 1837 and certainly extinct by 1859.
* Réunion scops owl, went extinct in the 17th century after the colonization of the island of Réunion.
* Rodrigues scops owl, last recorded in 1726.

## Species by global population

| Common name | Binomial name | Population | Status | Trend | Notes |
| Abyssinian owl | Asio abyssinicus | ? | LC | | |
| African barred owlet | Glaucidium capense | ? | LC | | |
| African grass-owl | Tyto capensis | ? | LC | | |
| African scops owl | Otus senegalensis | ? | LC | | |
| African wood owl | Strix woodfordii | ? | LC | | |
| Akun eagle-owl | Ketupa leucosticta | ? | LC | | |
| Albertine owlet | Glaucidium albertinum | 2,500-9,999 | NT | | |
| Alor bookbook | Ninox plesseni | ? | LC | | |
| Amazonian Pygmy-owl | Glaucidium hardyi | ? | LC | | |
| Andaman boobook | Ninox affinis | 2,500-9,999 | LC | | |
| Andaman scops owl | Otus balli | ? | LC | | |
| Andean pygmy owl | Glaucidium jardinii | ? | LC | | |
| Anjouan scops owl | Otus capnodes | 2,300-3,600 | EN | | |
| Annobon scops owl | Otus feae | 50-249 | CR | | |
| Arabian eagle-owl | Bubo milesi | 4,000-9,999 | LC | | |
| Arabian scops owl | Otus pamelae | 60,000 | LC | | |
| Ashy-faced owl | Tyto glaucops | ? | LC | | |
| Asian barred owlet | Glaucidium cucoloides | ? | LC | | |
| Austral pygmy owl | Glaucidium nana | ? | LC | | |
| Australian boobook | Ninox boobook | ? | LC | | |
| Australian masked owl | Tyto novaehollandiae | ? | LC | | |
| Baja pygmy owl | Glaucidium hoskinsii | ? | LC | | |
| Balsas screech owl | Megascops seductus | 20,000 – 49,999 | LC | | |
| Band-bellied owl | Pulsatrix melanota | ? | LC | | |
| Banggai scops owl | Otus mendeni | 10,000-40,000 | NT | | |
| Bare-legged owl | Margarobyas lawrencii | ? | LC | | |
| Bare-shanked screech owl | Megascops clarkii | 20,000-49,999 | LC | | |
| Barking owl | Ninox connivens | ? | LC | | |
| Barn owl | Tyto alba | 4,000,000-9,999,999 | LC | | Includes all subspecies |
| Barred eagle-owl | Bubo sumatranus | ? | NT | | |
| Barred owl | Strix varia | ? | LC | | |
| Bearded screech owl | Megascops barbarus | 20,000 – 49,999 | LC | | |
| Biak scops owl | Otus beccarii | 15,000-45,000 | NT | | |
| Black-and-white owl | Strix nigrolineata | ? | LC | | |
| Black-banded owl | Ciccaba huhula | ? | LC | | |
| Black-capped screech owl | Megascops atricapilla | ? | LC | | |
| Blakiston's fish owl | Ketupa blakistoni | 1,000-2,499 | EN | | This subspecies is included under Bubo blakistoni. |
| Boreal owl | Aegolius funereus | 730,000-1,810,000 | LC | | |
| Brown boobook | Ninox scutulata | ? | LC | | |
| Brown fish owl | Ketupa zeylonensis | ? | LC | | |
| Brown wood owl | Strix leptogrammica | ? | LC | | |
| Buff-fronted owl | Aegolius harrisii | ? | LC | | |
| Buffy fish owl | Ketupa ketupu | ? | LC | | |
| Burrowing owl | Athene cunicularia | ? | LC | | |
| Buru boobook | Ninox hantu | ? | LC | | |
| Camiguin boobook | Ninox leventisi | 250-1,400 | VU | | |
| Cape eagle-owl | Bubo capensis | ? | LC | | |
| Cebu boobook | Ninox rumseyi | 250-999 | VU | | |
| Central American pygmy owl | Glaucidium griseiceps | ? | LC | | |
| Chaco owl | Strix chacoensis | ? | NT | | |
| Chestnut-backed owlet | Glaucidium castanonotum | 10,000-19,999 | NT | | |
| Chocolate boobook | Ninox randi | ? | NT | | |
| Christmas boobook | Ninox natalis | 1000 | VU | | |
| Cinnabar boobook | Ninox ios | ? | LC | | |
| Cinnamon screech owl | Megascops petersoni | ? | LC | | |
| Cloud-forest pygmy owl | Glaucidium nubicola | 1,500-7,000 | VU | | |
| Cloud-forest screech owl | Megascops marshalli | ? | NT | | |
| Colima pygmy owl | Glaucidium palmarum | 20,000 – 49,999 | LC | | |
| Collared owlet | Glaucidium brodiei | 10,000,000+ | LC | | |
| Collared scops owl | Outs lettia | ? | LC | | |
| Colombian screech owl | Megascops colombianus | 6,700 | NT | | |
| Congo bay owl | Phodilus prigoginei | 2,500-9,999 | EN | | |
| Costa Rican pygmy owl | Glaucidium costaricanum | ? | LC | | |
| Crested owl | Lophostrix cristata | ? | LC | | |
| Cuban pygmy owl | Glaudicium siju | ? | LC | | |
| Cyprus scops owl | Otus cyprius | 10,000-24,000 | LC | | |
| Desert owl | Strix hadorami | ? | LC | | |
| Dusky eagle-owl | Bubo coromandus | ? | LC | | |
| East Brazilian pygmy owl | Glaucidium minutissimum | ? | LC | | |
| Eastern screech owl | Megascops asio | 560,000 | LC | | |
| Elf owl | Micrathene whitneyi | 72,000 | LC | | |
| Enggano scops owl | Otus enganensis | 2,500-9,999 | LC | | |
| Eurasian eagle-owl | Bubo bubo | 100,000-499,999 | LC | | |
| Eurasian pygmy owl | Glaucidium passerinum | 500,000-1,199,999 | LC | | |
| Eurasian scops owl | Otus scops | 790,000-1,350,000 | LC | | |
| Everett's scops owl | Otus everetti | ? | LC | | |
| Fearful owl | Nesasio solomonensis | 2,500-9,999 | NT | | |
| Ferruginous pygmy owl | Glaucidium brasilianum | 20,000,000 | LC | | |
| Flammulated owl | Psiloscops flammeolus | ? | LC | | |
| Flores scops owl | Otus alfredi | 250-2,499 | EN | | |
| Forest owlet | Heteroglaux blewitti | 250-999 | EN | | |
| Fraser's eagle-owl | Bubo poensis | ? | LC | | |
| Fulvous owl | Strix fulvescens | ? | LC | | |
| Giant scops owl | Otus gurneyi | 2,500-9,999 | VU | | |
| Golden masked owl | Tyto aurantia | 2,500-9,999 | VU | | |
| Great grey owl | Strix nebulosa | 50,000-99,999 | LC | | |
| Great horned owl | Bubo virginianus | ? | LC | | |
| Greater sooty owl | Tyto tenebricosa | ? | LC | | |
| Greyish eagle-owl | Bubo cinerascens | ? | LC | | |
| Guatemalan pygmy owl | Glaucidium cobanense | ? | LC | | |
| Halmahera boobook | Ninox hypogramma | ? | LC | | |
| Himalayan owl | Strix nivicolum | ? | LC | | |
| Hume's boobook | Ninox obscura | ? | LC | | |
| Indian eagle-owl | Bubo bengalensis | ? | LC | | |
| Indian scops-owl | Otus bakkamoena | ? | LC | | |
| Itombwe owl | Phodilus prigoginei | 2,500-9,999 | EN | | |
| Jamaican owl | Pseudoscops grammicus | ? | LC | | |
| Japanese scops owl | Otus semitorques | ? | LC | | |
| Javan owlet | Glacidium castanopterum | ? | LC | | |
| Javan scops owl | Otus angelinae | 1,500-7,000 | VU | | |
| Jungle owlet | Glaucidium radiatum | ? | LC | | |
| Karthala scops owl | Otus pauliani | 2,300 | EN | | |
| Koepcke's screech owl | Megascops koepckeae | ? | LC | | |
| Least boobook | Ninox sumbaensis | 10,000-19,999 | EN | | |
| Lesser horned owl | Bubo magellanicus | ? | LC | | |
| Lesser sooty owl | Tyto multipunctata | 4,000 | LC | | Estimated to be around 2,000 breeding pairs |
| Little owl | Athene noctua | 5,000,000-9,999,999 | LC | | |
| Long-eared owl | Asio otus | 2,200,000-3,700,000 | LC | | |
| Long-tufted screech owl | Megascops sanctaecatarinae | ? | LC | | |
| Long-whiskered owlet | Xenoglaux loweryi | 250-999 | VU | | |
| Luzon boobook | Ninox philippensis | ? | LC | | |
| Luzon scops owl | Otus longicornis | ? | NC | | |
| Madagascar owl | Asio madagascariensis | ? | LC | | |
| Makira Boobook | Ninox roseoaxillaris | 2,500-9,999 | VU | | |
| Malaita Boobook | Ninox malaitae | 2,500-9,999 | VU | | |
| Mantanani scops owl | Otus mantananensis | ? | LC | | |
| Maned owl | Jubula lettii | ? | DD | | |
| Manus boobook | Ninox meeki | ? | LC | | |
| Manus masked owl | Tyto manusi | ? | LC | | This subspecies is included under Tyto novaehollandiae. Population estimates are not given. |
| Marsh owl | Asio capensis | ? | LC | | |
| Mayotte scops owl | Otus mayottensis | ? | LC | | |
| Mentawai scops owl | Otus mentawi | 10,000-19,999 | LC | | |
| Middle American screech owl | Megascops guatemalae | ? | LC | | |
| Minahasa masked owl | Tyto inexspectata | ? | LC | | |
| Mindanao boobook | Ninox spilocephala | ? | NT | | |
| Mindanao scops owl | Outs mirus | ? | LC | | |
| Mindoro boobook | Ninox mindorensis | 2,500-9,999 | VU | | |
| Mindoro scops owl | Otus mindorensis | 10,000-19,999 | NT | | |
| Moheli scops owl | Otus moheliensis | 260 | EN | | |
| Moluccan masked owl | Tyto novaehollandiae | ? | LC | | |
| Moluccan scops owl | Otus magicus | ? | LC | | |
| Morepork | Ninox novaeseelandiae | ? | LC | | |
| Mottled owl | Strix virgata | ? | LC | | |
| Mottled wood owl | Strix ocellata | ? | LC | | |
| Mountain pygmy owl | Glaucidium gnoma | ? | LC | | |
| Mountain scops owl | Otus spilocephalus | ? | LC | | |
| Negros scops owl | Otus nigrorum | 1,000-2,499 | VU | | |
| New Britain boobook | Ninox odiosa | 10,000-19,999 | VU | | |
| New Ireland boobook | Ninox variegata | ? | LC | | |
| Nicobar scops owl | Otus alius | 2,500-9,999 | NT | | |
| Northern boobook | Ninox japonica | ? | LC | | |
| Northern hawk-owl | Surnia ulula | 100,000-499,999 | LC | | |
| Northern pygmy owl | Glaucidium californicum | ? | LC | | |
| Northern saw-whet owl | Aegolius acadicus | 2,000,000 | LC | | |
| Northern white-faced owl | Ptilopsis leucotis | ? | LC | | |
| Ochre-bellied boobook | Ninox ochracea | 10,000-19,999 | NT | | |
| Omani owl | Strix butleri | ? | LC | | |
| Oriental bay owl | Phodilus badius | ? | LC | | |
| Oriental scops owl | Otus sunia | ? | LC | | |
| Pacific pygmy owl | Glaucidium peruanum | ? | LC | | |
| Pacific screech owl | Megascops cooperi | 50,000-499,999 | LC | | |
| Palawan scops owl | Otus fuliginosus | 10,000-19,999 | LC | | |
| Pallid scops owl | Otus brucei | ? | LC | | |
| Pemba scops owl | Otus pembaensis | 3,000 | VU | | |
| Pernambuco pygmy owl | Glaucidium mooreorum | 0-49 | CR | | Maximum estimate; possibly extinct. |
| Philippine eagle-owl | Bubo philippensis | 2,500-9,999 | VU | | |
| Powerful owl | Ninox strenua | 2,200-2,800 | LC | | |
| Principe Scops-owl | Otus bikegila | 1,149-1,597 | CR | | |
| Red owl | Tyto soumagnei | 2,500-9,999 | VU | | |
| Rote Boobook | Ninox rotiensis | 500-5,000 | NT | | |
| Rufescent screech-owl | Megascops ingens | ? | LC | | |
| Rufous fishing owl | Scotopelia ussheri | 2,500-9,999 | VU | | |
| São Tomé scops owl | Otus hartlaubi | 250-999 | VU | | |
| Serendib scops owl | Otus thilohoffmanni | 150-700 | EN | | |
| Seychelles Scops-owl | Otus insularis | 200-280 | CR | | |
| Shelley's eagle-owl | Bubo shelleyi | 1,500-7,000 | VU | | |
| Short-eared owl | Asio flammeus | 1,200,000-2,100,000 | LC | | |
| Siau scops owl | Otus siaoensis | 1-49 | CR | | |
| Simeulue scops owl | Otus umbra | ? | LC | | |
| Snowy owl | Bubo scandiaca | 14,000-28,000 | VU | | |
| Sokoke scops owl | Otus ireneae | 2,500-9,999 | EN | | |
| Spectacled owl | Pulsatrix perspicillata | ? | LC | | |
| Spotted owl | Strix occidentalis | 15,000 | NT | | |
| Striped owl | Pseudoscops clamator | 500,000-4,999,999 | LC | | |
| Stygian owl | Asio stygius | ? | LC | | |
| Sula scops-owl | Otus sulaensis | ? | NT | | |
| Sumba boobook | Ninox rudolfi | 6,000-15,000 | NT | | |
| Taliabu masked owl | Tyto nigrobrunnea | 250-999 | VU | ? | |
| Tamaulipas pygmy owl | Glaucidium sanchezi | 20,000 – 49,999 | NT | | |
| Tanimbar bookbook | Ninox forbesi | 12,000 – 48,000 | LC | | |
| Tawny owl | Strix aluco | 1,000,000-2,999,999 | LC | | |
| Timor bookbook | Ninox fusca | ? | LC | | |
| Togian boobook | Ninox burhani | 1,500-7,000 | NT | | |
| Unspotted saw-whet owl | Aegolius ridgwayi | ? | LC | | |
| Ural owl | Strix uralensis | 640,000-1,052,000 | LC | | |
| Usambara eagle-owl | Bubo vosseleri | ? | LC | | This subspecies is included under Bubo poensis. |
| White-fronted scops owl | Otus sagittatus | 2,500-9,999 | VU | | |
| White-throated screech-owl | Megascops albogularis | ? | LC | | |