List of Strigiformes by population explained
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".
Extinct species:
Species by global population
Common name | Binomial name | data-sort-type="number" width="15%" | Population | Status | Trend | Notes | Image |
---|
Abyssinian owl | Asio abyssinicus | ?[6] | LC | | | |
African barred owlet | Glaucidium capense | ?[7] | LC | | | |
African grass-owl | Tyto capensis | ?[8] | LC | | | |
African scops owl | Otus senegalensis | ?[9] | LC | | | |
African wood owl | Strix woodfordii | ?[10] | LC | | | |
Akun eagle-owl | Ketupa leucosticta | ?[11] | LC | | | |
Albertine owlet | Glaucidium albertinum | 2,500-9,999[12] | NT | | | |
Alor bookbook | Ninox plesseni | ?[13] | LC | | | |
Amazonian Pygmy-owl | Glaucidium hardyi | ?[14] | LC | | | |
Andaman boobook | Ninox affinis | 2,500-9,999[15] | LC | | | |
Andaman scops owl | Otus balli | ?[16] | LC | | | |
Andean pygmy owl | Glaucidium jardinii | ?[17] | LC | | | |
Anjouan scops owl | Otus capnodes | 2,300-3,600[18] | EN | | | |
Annobon scops owl | Otus feae | 50-249[19] | CR | | | |
Arabian eagle-owl | Bubo milesi | 4,000-9,999[20] | LC | | | |
Arabian scops owl | Otus pamelae | 60,000[21] | LC | | | |
Ashy-faced owl | Tyto glaucops | ?[22] | LC | | | |
Asian barred owlet | Glaucidium cucoloides | ?[23] | LC | | | |
Austral pygmy owl | Glaucidium nana | ?[24] | LC | | | |
Australian boobook | Ninox boobook | ?[25] | LC | | | |
Australian masked owl | Tyto novaehollandiae | ?[26] | LC | | | |
Baja pygmy owl | Glaucidium hoskinsii | ?[27] | LC | | | |
Balsas screech owl | Megascops seductus | 20,000 – 49,999[28] | LC | | | |
Band-bellied owl | Pulsatrix melanota | ?[29] | LC | | | |
Banggai scops owl | Otus mendeni | 10,000-40,000[30] | NT | | | |
Bare-legged owl | Margarobyas lawrencii | ?[31] | LC | | | |
Bare-shanked screech owl | Megascops clarkii | 20,000-49,999[32] | LC | | | |
Barking owl | Ninox connivens | ?[33] | LC | | | |
Barn owl | Tyto alba | 4,000,000-9,999,999[34] | LC | | Includes all subspecies | |
Barred eagle-owl | Bubo sumatranus | ?[35] | NT | | | |
Barred owl | Strix varia | ?[36] | LC | | | |
Bearded screech owl | Megascops barbarus | 20,000 – 49,999[37] | LC | | | |
Biak scops owl | Otus beccarii | 15,000-45,000[38] | NT | | | |
Black-and-white owl | Strix nigrolineata | ?[39] | LC | | | |
Black-banded owl | Ciccaba huhula | ?[40] | LC | | | |
Black-capped screech owl | Megascops atricapilla | ?[41] | LC | | | |
Blakiston's fish owl | Ketupa blakistoni | 1,000-2,499[42] | EN | | This subspecies is included under Bubo blakistoni. | |
Boreal owl | Aegolius funereus | 730,000-1,810,000[43] | LC | | | |
Brown boobook | Ninox scutulata | ?[44] | LC | | | |
Brown fish owl | Ketupa zeylonensis | ?[45] | LC | | | |
Brown wood owl | Strix leptogrammica | ?[46] | LC | | | |
Buff-fronted owl | Aegolius harrisii | ?[47] | LC | | | |
Buffy fish owl | Ketupa ketupu | ?[48] | LC | | | |
Burrowing owl | Athene cunicularia | ?[49] | LC | | | |
Buru boobook | Ninox hantu | ?[50] | LC | | | |
Camiguin boobook | Ninox leventisi | 250-1,400[51] | VU | | | |
Cape eagle-owl | Bubo capensis | ?[52] | LC | | | |
Cebu boobook | Ninox rumseyi | 250-999[53] | VU | | | |
Central American pygmy owl | Glaucidium griseiceps | ?[54] | LC | | | |
Chaco owl | Strix chacoensis | ?[55] | NT | | | |
Chestnut-backed owlet | Glaucidium castanonotum | 10,000-19,999[56] | NT | | | |
Chocolate boobook | Ninox randi | ?[57] | NT | | | |
Christmas boobook | Ninox natalis | 1000[58] | VU | | | |
Cinnabar boobook | Ninox ios | ?[59] | LC | | | |
Cinnamon screech owl | Megascops petersoni | ?[60] | LC | | | |
Cloud-forest pygmy owl | Glaucidium nubicola | 1,500-7,000[61] | VU | | | |
Cloud-forest screech owl | Megascops marshalli | ?[62] | NT | | | |
Colima pygmy owl | Glaucidium palmarum | 20,000 – 49,999[63] | LC | | | |
Collared owlet | Glaucidium brodiei | 10,000,000+[64] | LC | | | |
Collared scops owl | Outs lettia | ?[65] | LC | | | |
Colombian screech owl | Megascops colombianus | 6,700[66] | NT | | | |
Congo bay owl | Phodilus prigoginei | 2,500-9,999[67] | EN | | | |
Costa Rican pygmy owl | Glaucidium costaricanum | ?[68] | LC | | | |
Crested owl | Lophostrix cristata | ?[69] | LC | | | |
Cuban pygmy owl | Glaudicium siju | ?[70] | LC | | | |
Cyprus scops owl | Otus cyprius | 10,000-24,000[71] | LC | | | |
Desert owl | Strix hadorami | ?[72] | LC | | | |
Dusky eagle-owl | Bubo coromandus | ?[73] | LC | | | |
East Brazilian pygmy owl | Glaucidium minutissimum | ?[74] | LC | | | |
Eastern screech owl | Megascops asio | 560,000[75] | LC | | | |
Elf owl | Micrathene whitneyi | 72,000[76] | LC | | | |
Enggano scops owl | Otus enganensis | 2,500-9,999[77] | LC | | | |
Eurasian eagle-owl | Bubo bubo | 100,000-499,999[78] | LC | | | |
Eurasian pygmy owl | Glaucidium passerinum | 500,000-1,199,999[79] | LC | | | |
Eurasian scops owl | Otus scops | 790,000-1,350,000[80] | LC | | | |
Everett's scops owl | Otus everetti | ?[81] | LC | | | |
Fearful owl | Nesasio solomonensis | 2,500-9,999[82] | NT | | | |
Ferruginous pygmy owl | Glaucidium brasilianum | 20,000,000[83] | LC | | | |
Flammulated owl | Psiloscops flammeolus | ?[84] | LC | | | |
Flores scops owl | Otus alfredi | 250-2,499[85] | EN | | | |
Forest owlet | Heteroglaux blewitti | 250-999[86] | EN | | | |
Fraser's eagle-owl | Bubo poensis | ?[87] | LC | | | |
Fulvous owl | Strix fulvescens | ?[88] | LC | | | |
Giant scops owl | Otus gurneyi | 2,500-9,999[89] | VU | | | |
Golden masked owl | Tyto aurantia | 2,500-9,999[90] | VU | | | |
Great grey owl | Strix nebulosa | 50,000-99,999[91] | LC | | | |
Great horned owl | Bubo virginianus | ?[92] | LC | | | |
Greater sooty owl | Tyto tenebricosa | ?[93] | LC | | | |
Greyish eagle-owl | Bubo cinerascens | ?[94] | LC | | | |
Guatemalan pygmy owl | Glaucidium cobanense | ?[95] | LC | | | |
Halmahera boobook | Ninox hypogramma | ?[96] | LC | | | |
Himalayan owl | Strix nivicolum | ?[97] | LC | | | |
Hume's boobook | Ninox obscura | ?[98] | LC | | | |
Indian eagle-owl | Bubo bengalensis | ?[99] | LC | | | |
Indian scops-owl | Otus bakkamoena | ?[100] | LC | | | |
Itombwe owl | Phodilus prigoginei | 2,500-9,999[101] | EN | | | |
Jamaican owl | Pseudoscops grammicus | ?[102] | LC | | | |
Japanese scops owl | Otus semitorques | ?[103] | LC | | | |
Javan owlet | Glacidium castanopterum | ?[104] | LC | | | |
Javan scops owl | Otus angelinae | 1,500-7,000[105] | VU | | | |
Jungle owlet | Glaucidium radiatum | ?[106] | LC | | | |
Karthala scops owl | Otus pauliani | 2,300[107] | EN | | | |
Koepcke's screech owl | Megascops koepckeae | ?[108] | LC | | | |
Least boobook | Ninox sumbaensis | 10,000-19,999[109] | EN | | | |
Lesser horned owl | Bubo magellanicus | ?[110] | LC | | | |
Lesser sooty owl | Tyto multipunctata | 4,000[111] | LC | | Estimated to be around 2,000 breeding pairs[112] | |
Little owl | Athene noctua | 5,000,000-9,999,999[113] | LC | | | |
Long-eared owl | Asio otus | 2,200,000-3,700,000[114] | LC | | | |
Long-tufted screech owl | Megascops sanctaecatarinae | ?[115] | LC | | | |
Long-whiskered owlet | Xenoglaux loweryi | 250-999[116] | VU | | | |
Luzon boobook | Ninox philippensis | ?[117] | LC | | | |
Luzon scops owl | Otus longicornis | ?[118] | NC | | | |
Madagascar owl | Asio madagascariensis | ?[119] | LC | | | |
Makira Boobook | Ninox roseoaxillaris | 2,500-9,999[120] | VU | | | |
Malaita Boobook | Ninox malaitae | 2,500-9,999[121] | VU | | | |
Mantanani scops owl | Otus mantananensis | ?[122] | LC | | | |
Maned owl | Jubula lettii | ?[123] | DD | | | |
Manus boobook | Ninox meeki | ?[124] | LC | | | |
Manus masked owl | Tyto manusi | ?[125] | LC | | This subspecies is included under Tyto novaehollandiae. Population estimates are not given. | |
Marsh owl | Asio capensis | ?[126] | LC | | | |
Mayotte scops owl | Otus mayottensis | ?[127] | LC | | | |
Mentawai scops owl | Otus mentawi | 10,000-19,999[128] | LC | | | |
Middle American screech owl | Megascops guatemalae | ?[129] | LC | | | |
Minahasa masked owl | Tyto inexspectata | ?[130] | LC | | | |
Mindanao boobook | Ninox spilocephala | ?[131] | NT | | | |
Mindanao scops owl | Outs mirus | ?[132] | LC | | | |
Mindoro boobook | Ninox mindorensis | 2,500-9,999[133] | VU | | | |
Mindoro scops owl | Otus mindorensis | 10,000-19,999[134] | NT | | | |
Moheli scops owl | Otus moheliensis | 260[135] | EN | | | |
Moluccan masked owl | Tyto novaehollandiae | ?[136] | LC | | | |
Moluccan scops owl | Otus magicus | ?[137] | LC | | | |
Morepork | Ninox novaeseelandiae | ?[138] | LC | | | |
Mottled owl | Strix virgata | ?[139] | LC | | | |
Mottled wood owl | Strix ocellata | ?[140] | LC | | | |
Mountain pygmy owl | Glaucidium gnoma | ?[141] | LC | | | |
Mountain scops owl | Otus spilocephalus | ?[142] | LC | | | |
Negros scops owl | Otus nigrorum | 1,000-2,499[143] | VU | | | |
New Britain boobook | Ninox odiosa | 10,000-19,999[144] | VU | | | |
New Ireland boobook | Ninox variegata | ?[145] | LC | | | |
Nicobar scops owl | Otus alius | 2,500-9,999[146] | NT | | | |
Northern boobook | Ninox japonica | ?[147] | LC | | | |
Northern hawk-owl | Surnia ulula | 100,000-499,999[148] | LC | | | |
Northern pygmy owl | Glaucidium californicum | ?[149] | LC | | | |
Northern saw-whet owl | Aegolius acadicus | 2,000,000[150] | LC | | | |
Northern white-faced owl | Ptilopsis leucotis | ?[151] | LC | | | |
Ochre-bellied boobook | Ninox ochracea | 10,000-19,999[152] | NT | | | |
Omani owl | Strix butleri | ?[153] | LC | | | |
Oriental bay owl | Phodilus badius | ?[154] | LC | | | |
Oriental scops owl | Otus sunia | ?[155] | LC | | | |
Pacific pygmy owl | Glaucidium peruanum | ?[156] | LC | | | |
Pacific screech owl | Megascops cooperi | 50,000-499,999[157] | LC | | | |
Palawan scops owl | Otus fuliginosus | 10,000-19,999[158] | LC | | | |
Pallid scops owl | Otus brucei | ?[159] | LC | | | |
Pemba scops owl | Otus pembaensis | 3,000[160] | VU | | | |
Pernambuco pygmy owl | Glaucidium mooreorum | 0-49[161] | CR | | Maximum estimate; possibly extinct. | |
Philippine eagle-owl | Bubo philippensis | 2,500-9,999[162] | VU | | | |
Powerful owl | Ninox strenua | 2,200-2,800[163] | LC | | | |
Principe Scops-owl | Otus bikegila | 1,149-1,597[164] | CR | | | |
Red owl | Tyto soumagnei | 2,500-9,999[165] | VU | | | |
Rote Boobook | Ninox rotiensis | 500-5,000[166] | NT | | | |
Rufescent screech-owl | Megascops ingens | ?[167] | LC | | | |
Rufous fishing owl | Scotopelia ussheri | 2,500-9,999[168] | VU | | | |
São Tomé scops owl | Otus hartlaubi | 250-999[169] | VU | | | |
Serendib scops owl | Otus thilohoffmanni | 150-700[170] | EN | | | |
Seychelles Scops-owl | Otus insularis | 200-280[171] | CR | | | |
Shelley's eagle-owl | Bubo shelleyi | 1,500-7,000[172] | VU | | | |
Short-eared owl | Asio flammeus | 1,200,000-2,100,000[173] | LC | | | |
Siau scops owl | Otus siaoensis | 1-49[174] | CR | | | |
Simeulue scops owl | Otus umbra | ? [175] | LC | | | |
Snowy owl | Bubo scandiaca | 14,000-28,000[176] | VU | | | |
Sokoke scops owl | Otus ireneae | 2,500-9,999[177] | EN | | | |
Spectacled owl | Pulsatrix perspicillata | ?[178] | LC | | | |
Spotted owl | Strix occidentalis | 15,000[179] | NT | | | |
Striped owl | Pseudoscops clamator | 500,000-4,999,999[180] | LC | | | |
Stygian owl | Asio stygius | ?[181] | LC | | | |
Sula scops-owl | Otus sulaensis | ?[182] | NT | | | |
Sumba boobook | Ninox rudolfi | 6,000-15,000[183] | NT | | | |
Taliabu masked owl | Tyto nigrobrunnea | 250-999[184] | VU | ? | | |
Tamaulipas pygmy owl | Glaucidium sanchezi | 20,000 – 49,999[185] | NT | | | |
Tanimbar bookbook | Ninox forbesi | 12,000 – 48,000[186] | LC | | | |
Tawny owl | Strix aluco | 1,000,000-2,999,999[187] | LC | | | |
Timor bookbook | Ninox fusca | ? [188] | LC | | | |
Togian boobook | Ninox burhani | 1,500-7,000[189] | NT | | | |
Unspotted saw-whet owl | Aegolius ridgwayi | ?[190] | LC | | | |
Ural owl | Strix uralensis | 640,000-1,052,000[191] | LC | | | |
Usambara eagle-owl | Bubo vosseleri | ?[192] | LC | | This subspecies is included under Bubo poensis. | |
White-fronted scops owl | Otus sagittatus | 2,500-9,999[193] | VU | | | |
White-throated screech-owl | Megascops albogularis | ?[194] | LC | | | | |
See also
Notes and References
- Book: Extinct Birds. 978-1-4729-3745-2. Hume. Julian P.. 24 August 2017.
- Ninox albifacies. 10.2305/IUCN.UK.2016-3.RLTS.T22689496A93232295.en.
- Mascarenotus sauzieri . 10.2305/IUCN.UK.2016-3.RLTS.T22728861A94999192.en.
- Mascarenotus grucheti. 10.2305/IUCN.UK.2017-3.RLTS.T22728866A119424909.en.
- Mascarenotus murivorus . 10.2305/IUCN.UK.2016-3.RLTS.T22728856A94999047.en.
- 2016-10-01 . Asio abyssinicus. The IUCN Red List of Threatened Species 2016: e.T22689512A93233846. en . 10.2305/IUCN.UK.2016-3.RLTS.T22689512A93233846.en.
- BirdLife International. . 2017 . 2016 . Glaucidium capense . 2017 . e.T22689290A111870445 . 10.2305/IUCN.UK.2017-1.RLTS.T22689290A111870445.en . 1 July 2024.
- 2016-10-01 . BirdLife International. 2016. Tyto capensis. The IUCN Red List of Threatened Species 2016: e.T22688514A93199287. en . 10.2305/IUCN.UK.2016-3.RLTS.T22688514A93199287.en.
- 2016-10-01 . BirdLife International. 2016. Otus senegalensis. The IUCN Red List of Threatened Species 2016: e.T61914670A95183137. . en . 10.2305/IUCN.UK.2016-3.RLTS.T61914670A95183137.en.
- 2016-10-01 . BirdLife International. 2016. Strix woodfordii. The IUCN Red List of Threatened Species 2016: e.T22689166A93220349. . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689166A93220349.en.
- 2018-08-06 . BirdLife International. 2018. Bubo leucostictus. The IUCN Red List of Threatened Species 2018: e.T22688996A130156693 . en . 10.2305/IUCN.UK.2018-2.RLTS.T22688996A130156693.en.
- Glaucidium albertinum: BirdLife International: The IUCN Red List of Threatened Species 2022: e.T22689310A208604278. 2021-10-05. en. 10.2305/iucn.uk.2022-1.rlts.t22689310a208604278.en. free.
- Ninox plesseni: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T230087117A233595835. 2023-05-22. en. 10.2305/IUCN.UK.2023-1.RLTS.T230087117A233595835.en. free.
- 2018-08-06 . BirdLife International. 2018. Glaucidium hardyi. The IUCN Red List of Threatened Species 2018: e.T22689234A130162570. . en . 10.2305/IUCN.UK.2018-2.RLTS.T22689234A130162570.en.
- 2017-10-01 . BirdLife International. 2017. Ninox affinis. The IUCN Red List of Threatened Species 2017: e.T22689420A118443805. . en . 10.2305/IUCN.UK.2017-3.RLTS.T22689420A118443805.en.
- 2017-10-01 . BirdLife International. 2017. Otus balli. The IUCN Red List of Threatened Species 2017: e.T22688573A118257284. . en . 10.2305/IUCN.UK.2017-3.RLTS.T22688573A118257284.en.
- 2016-10-01 . BirdLife International. 2016. Glaucidium jardinii. The IUCN Red List of Threatened Species 2016: e.T22689222A93223061. . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689222A93223061.en.
- Otus capnodes: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22688686A119090936. 2017-10-01. en. 10.2305/iucn.uk.2017-3.rlts.t22688686a119090936.en. free.
- BirdLife International. . 2018 . 2017 . Otus feae . 2018 . e.T61915272A125407816 . 10.2305/IUCN.UK.2017-1.RLTS.T61915272A125407816.en . 1 July 2024.
- 2022-05-23 . BirdLife International. 2022. Bubo milesi. The IUCN Red List of Threatened Species 2022: e.T216709635A217222538. . en .
- BirdLife International. . 2017 . 2016 . Otus pamelae . 2017 . e.T61915442A113016319 . 10.2305/IUCN.UK.2017-1.RLTS.T61915442A113016319.en . 1 July 2024.
- 2016-10-01 . BirdLife International. 2016. Tyto glaucops. The IUCN Red List of Threatened Species 2016: e.T22688511A93199076. . en . 10.2305/IUCN.UK.2016-3.RLTS.T22688511A93199076.en.
- 2016-10-01 . BirdLife International. 2016. Glaucidium cuculoides. The IUCN Red List of Threatened Species 2016: e.T22689277A93224900. . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689277A93224900.en .
- 2016-10-01 . BirdLife International. 2016. Glaucidium nana. The IUCN Red List of Threatened Species 2016: e.T22689258A93224043. . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689258A93224043.en .
- 2023-05-04 . BirdLife International. 2023. Ninox boobook. The IUCN Red List of Threatened Species 2023: e.T230075506A233533676. en . 10.2305/IUCN.UK.2023-1.RLTS.T230075506A233533676.en.
- Tyto novaehollandiae. The IUCN Red List of Threatened Species 2023: e.T230023167A230808865. 2023-03-30. en. 10.2305/IUCN.UK.2023-1.RLTS.T230023167A230808865.en.
- 2016-10-01 . Glaucidium hoskinsii. The IUCN Red List of Threatened Species 2016: e.T61791676A95181434 . en . 10.2305/IUCN.UK.2016-3.RLTS.T61791676A95181434.en .
- Megascops seductus: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22724664A167847049. 2020-02-07. en. 10.2305/iucn.uk.2021-3.rlts.t22724664a167847049.en. free.
- 2018-08-07 . Pulsatrix melanota. The IUCN Red List of Threatened Species 2018: e.T22689183A130161594 . en . 10.2305/IUCN.UK.2018-2.RLTS.T22689183A130161594.en .
- Otus mendeni. The IUCN Red List of Threatened Species 2023: e.T62290488A209661225.. 2023-06-24. en. 10.2305/IUCN.UK.2023-1.RLTS.T62290488A209661225.en.
- 2016-10-01 . Margarobyas lawrencii . en . 10.2305/IUCN.UK.2016-3.RLTS.T22688883A93210507.en .
- 2022-07-14 . Megascops clarkii . en . 10.2305/IUCN.UK.2022-2.RLTS.T22688799A167851776.en .
- 2016-10-01 . Ninox connivens . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689394A93229752.en .
- BirdLife International. . 2019 . 2016 . Tyto alba . 2019 . e.T22688504A155542941 . 10.2305/IUCN.UK.2019-3.RLTS.T22688504A155542941.en . 1 July 2024.
- Bubo sumatranus . en . 10.2305/IUCN.UK.2022-1.RLTS.T22688976A207944973.en .
- Strix varia . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689094A93217844.en .
- Megascops barbarus: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22688807A180130085. 2020-07-27. en. 10.2305/iucn.uk.2020-3.rlts.t22688807a180130085.en. free.
- Otus beccarii: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T22724754A223084666. 2023-02-20. en. 10.2305/IUCN.UK.2023-1.RLTS.T22724754A223084666.en. free.
- Ciccaba nigrolineata: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22689133A130159025. 2018-08-06. en. 10.2305/iucn.uk.2018-2.rlts.t22689133a130159025.en. free.
- 2016-10-01 . Ciccaba huhula . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689144A93219904.en .
- 2016-10-01 . Megascops atricapilla . en . 10.2305/IUCN.UK.2016-3.RLTS.T22731897A95038543.en .
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- Aegolius funereus: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689362A201898946. 2021-05-25. en. 10.2305/iucn.uk.2021-3.rlts.t22689362a201898946.en. free.
- 2021-08-12 . Ninox scutulata . en . 10.2305/IUCN.UK.2021-3.RLTS.T22725643A200685229.en .
- 2016-10-01 . Ketupa zeylonensis . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689012A90010491.en .
- 2016-10-01 . Strix leptogrammica . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689071A93217052.en .
- 2016-10-01 . Aegolius harrasii . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689378A93229112.en .
- 2016-10-01 . Ketupa ketupu . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689024A93214791.en .
- 2016-10-01 . Athene cunicularia . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689353A93227732.en .
- 2016-10-01 . Ninox hantu . en . 10.2305/IUCN.UK.2016-3.RLTS.T22727909A94965479.en .
- 2021-10-02 . Ninox leventisi . en . 10.2305/IUCN.UK.2022-1.RLTS.T22725512A208503262.en .
- 2016-10-01 . Bubo capensis . en . 10.2305/IUCN.UK.2016-3.RLTS.T22688944A93212047.en .
- 2021-10-11 . Ninox rumseyi . en . 10.2305/IUCN.UK.2022-1.RLTS.T22725505A208960267.en .
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- 2018-08-07 . Strix chacoensis . en . 10.2305/IUCN.UK.2020-3.RLTS.T22733306A177165960.en .
- Glaucidium castanotum: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689286A93225535. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22689286a93225535.en. free.
- 2016-10-01 . Ninox randi . en . 10.2305/IUCN.UK.2016-3.RLTS.T22726321A94918597.en .
- Ninox natalis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689452A93230899. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22689452a93230899.en. free.
- Ninox ios: BirdLife International: The IUCN Red List of Threatened Species 2022: e.T22728610A207662764. 2021-09-10. en. 10.2305/iucn.uk.2022-1.rlts.t22728610a207662764.en. free.
- 2016-10-01 . Megascops pertersoni . en . 10.2305/IUCN.UK.2016-3.RLTS.T22688840A93209725.en .
- Glaucidium nubicola: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22724604A94873667. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22724604a94873667.en. free.
- 2016-10-01 . Megascops marshalli . en . 10.2305/IUCN.UK.2016-3.RLTS.T22688847A93209893.en .
- Glaucidium palmarum: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22729019A152211515. 2020-02-07. en. 10.2305/iucn.uk.2021-3.rlts.t22729019a152211515.en. free.
- 2021-08-11 . Glaucidium brodiei . en . 10.2305/IUCN.UK.2021-3.RLTS.T200290653A206387811.en .
- 2016-10-01 . Otus lettia . en . 10.2305/IUCN.UK.2017-3.RLTS.T61855318A118498941.en .
- Megascops colombianus: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688829A93209510. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22688829a93209510.en. free.
- Phodilus prigoginei: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688529A93199883. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22688529a93199883.en. free.
- 2016-10-01 . Glaucidium costaricanum . en . 10.2305/IUCN.UK.2016-3.RLTS.T22729005A95003007.en .
- Lophostrix cristata: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22689177A130160501. 2018-08-06. en. 10.2305/iucn.uk.2018-2.rlts.t22689177a130160501.en. free.
- 2016-10-01 . Glaucidium siju . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689262A93224271.en .
- 2019-07-25 . Otus cyprius . en . 10.2305/IUCN.UK.2019-3.RLTS.T155019839A155215276.en .
- 2016-10-01 . Strix hadorami . en . 10.2305/IUCN.UK.2017-1.RLTS.T22689083A112418158.en .
- 2016-10-01 . Bubo coromandus . en . 10.2305/IUCN.UK.2016-3.RLTS.T22688992A93213395.en .
- 2018-08-06 . Glaucidium minutissimum . en . 10.2305/IUCN.UK.2018-2.RLTS.T22689240A130162980.en .
- 2019-08-06 . Megascops asio . en . 10.2305/IUCN.UK.2019-3.RLTS.T155660662A152331179.en .
- 2020-02-19 . Micrathene whitneyi . en . 10.2305/IUCN.UK.2021-3.RLTS.T22689325A168847632.en .
- Otus enganensis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22724390A226422700. 2023-07-24. en. 10.2305/IUCN.UK.2023-1.RLTS.T22724390A226422700.en. free.
- Bubo bubo: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22688927A113569670. 2016-10-01. en. 10.2305/iucn.uk.2017-1.rlts.t22688927a113569670.en. free.
- Glaucidium passerinum: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689194A86868363. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22689194a86868363.en. free.
- Otus scops: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T155019854A206523296. 2021-08-13. en. 10.2305/iucn.uk.2021-3.rlts.t155019854a206523296.en. free.
- 2016-10-02 . Otus everetti . en . 10.2305/IUCN.UK.2016-3.RLTS.T22725053A94884958.en .
- 2023-07-18 . Nesasio solomonensis. en . 10.2305/IUCN.UK.2023-1.RLTS.T22689539A227316153.en.
- 2022-08-15 . Glaucidium brasilianum . en .
- 2016-10-02 . Psiloscops flammeolus . en . 10.2305/IUCN.UK.2016-3.RLTS.T22688637A93203659.en .
- 2016-10-02 . Otus alfredi . en . 10.2305/IUCN.UK.2016-3.RLTS.T22724396A94864662.en .
- Heteroglaux blewitti: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22689335A132251554. 2018-08-06. en. 10.2305/iucn.uk.2018-2.rlts.t22689335a132251554.en. free.
- 2016-10-02 . Fraser's eagle owl . en . 10.2305/IUCN.UK.2016-3.RLTS.T22730030A95023684.en .
- Strix fulvescens: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689097A93218072. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22689097a93218072.en. free.
- Otus gurneyi: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22688911A110372685. 2016-10-01. en. 10.2305/iucn.uk.2017-1.rlts.t22688911a110372685.en. free.
- Tyto aurantia: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22688470A132059362. 2018-08-09. en. 10.2305/iucn.uk.2018-2.rlts.t22688470a132059362.en. free.
- Strix nebulosa: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689118A199144259. 2021-03-30. en. 10.2305/iucn.uk.2021-3.rlts.t22689118a199144259.en. free.
- 2016-10-01 . Bubo virginianus . en . 10.2305/IUCN.UK.2018-2.RLTS.T61752071A132039486.en .
- BirdLife International. 2016. Tyto tenebricosa. The IUCN Red List of Threatened Species 2016. 2016-10-01. en.
- 2016-10-01 . Bubo cinerascens . en . 10.2305/IUCN.UK.2016-3.RLTS.T61741660A95178482.en .
- 2016-10-01 . Glaucidium cobanense . en . 10.2305/IUCN.UK.2016-3.RLTS.T61791597A95181252.en .
- 2016-10-01 . Ninox hypogramma . en . 10.2305/IUCN.UK.2016-3.RLTS.T22727900A94965298.en .
- 2016-10-01 . Strix nivicolum . en . 10.2305/IUCN.UK.2016-3.RLTS.T22725477A94893250.en .
- 2016-10-01 . Ninox obscura . en . 10.2305/IUCN.UK.2016-3.RLTS.T22726328A94918968.en .
- 2016-10-01 . Bubo bengalensis . en . 10.2305/IUCN.UK.2016-3.RLTS.T22688934A93211525.en .
- 2016-10-01 . Otus bakkamoena . en . 10.2305/IUCN.UK.2016-3.RLTS.T61855263A95182096.en .
- 2016-10-01 . Phodilus prigoginei . en . 10.2305/IUCN.UK.2016-3.RLTS.T22688529A93199883.en .
- 2016-10-01 . Pseudoscops grammicus . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689501A93232472.en .
- 2016-10-01 . Otus semitorques . en . 10.2305/IUCN.UK.2016-3.RLTS.T61859151A95233778.en .
- 2016-10-01 . Glacidium castanopterum . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689280A93225162.en .
- Otus angelinae: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688591A93201974. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22688591a93201974.en. free.
- 2016-10-01 . Glaucidium radiatum . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689283A93225315.en .
- Otus pauliani: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22688694A179586821. 2020-07-17. en. 10.2305/iucn.uk.2021-3.rlts.t22688694a179586821.en. free.
- 2016-10-01 . Megascops koepckeae . en . 10.2305/IUCN.UK.2016-3.RLTS.T22688782A93208561.en .
- Ninox sumbaensis: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22730062A118629788. 2017-10-01. en. 10.2305/iucn.uk.2017-3.rlts.t22730062a118629788.en. free.
- 2016-10-01 . Bubo magellanicus . en . 10.2305/IUCN.UK.2016-3.RLTS.T61752097A95179224.en .
- BirdLife International. 2016. Tyto multipunctata. The IUCN Red List of Threatened Species 2016: e.T22688435A93197565.. 2016-10-01. en.
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- Athene noctua: BirdLife International: The IUCN Red List of Threatened Species 2019: e.T22689328A155470112. 2018-08-09. en. 10.2305/iucn.uk.2019-3.rlts.t22689328a155470112.en. free.
- Asio otus: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689507A201150685. 2021-05-07. en. 10.2305/iucn.uk.2021-3.rlts.t22689507a201150685.en. free.
- 2016-10-01 . Megascops sanctaecatarinae . en . 10.2305/IUCN.UK.2016-3.RLTS.T22688874A93210328.en .
- Xenoglaux loweryi: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22689320A180768478. 2020-08-03. en. 10.2305/iucn.uk.2020-3.rlts.t22689320a180768478.en. free.
- 2016-10-01 . Ninox philippensis . en . 10.2305/IUCN.UK.2016-3.RLTS.T22725483A94893562.en .
- 2016-10-01 . Otus longicornis . en . 10.2305/IUCN.UK.2016-3.RLTS.T22688602A93202286.en .
- 2018-08-07 . Asio madagascariensis . en . 10.2305/IUCN.UK.2018-2.RLTS.T22689517A130164463.en .
- 2023-03-12 . Ninox roseoaxillaris. en . 10.2305/IUCN.UK.2023-1.RLTS.T45449334A157834363.en.
- 2021-10-13 . Ninox malaitae . en . 10.2305/IUCN.UK.2023-1.RLTS.T45449331A209059576.en.
- Otus mantananensis: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T22688656A226893897. 2023-07-07. en. 10.2305/IUCN.UK.2023-1.RLTS.T22688656A226893897.en. free.
- 2016-10-01 . Jubula lettii . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689173A93220733.en .
- 2016-10-01 . Ninox meeki . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689465A93231357.en .
- Tyto novaehollandiae: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T62172196A132190206. 2018-08-09. en. 10.2305/iucn.uk.2018-2.rlts.t62172196a132190206.en. free.
- 2021-05-28 . Asio capensis . en . 10.2305/IUCN.UK.2021-3.RLTS.T22689535A202174205.en .
- 2016-10-01 . Otus mayottensis . en . 10.2305/IUCN.UK.2016-3.RLTS.T22732599A95047769.en .
- Otus mentawi: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T22688713A229809425. 2023-07-24. en. 10.2305/IUCN.UK.2023-1.RLTS.T22688713A229809425.en. free.
- Megascops guatemalae: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T61767847A95179450. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t61767847a95179450.en. free.
- Tyto inexspectata: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T22688441A230036968. 2023-07-24. en. 10.2305/IUCN.UK.2023-1.RLTS.T22688441A230036968.en. free.
- 2016-10-01 . Ninox spilocephala . en . 10.2305/IUCN.UK.2018-2.RLTS.T22728252A129607986.en .
- Outs mirus. 2023-07-12. en. 10.2305/IUCN.UK.2023-1.RLTS.T22688614A231090375.en.
- 2016-10-01 . Ninox mindorensis . en . 10.2305/IUCN.UK.2017-1.RLTS.T22726334A110274000.en .
- Otus mindorensis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688608A93202581. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22688608a93202581.en. free.
- Otus moheliensis: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22724585A118472254. 2017-10-01. en. 10.2305/iucn.uk.2017-3.rlts.t22724585a118472254.en. free.
- 2016-10-01 . Tyto novaehollandiae . en . 10.2305/IUCN.UK.2018-2.RLTS.T62172196A132190206.en .
- 2022-08-17 . Otus magicus . en . 10.2305/IUCN.UK.2022-2.RLTS.T219588044A219587839.en .
- 2016-10-01 . Ninox novaeseelandiae . en . 10.2305/IUCN.UK.2016-3.RLTS.T62023843A95186187.en .
- Ciccaba virgata: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689122A93219321. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22689122a93219321.en. free.
- 2016-10-01 . Strix ocellata . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689066A93216851.en .
- 2016-10-01 . Glaucidium gnoma . en . 10.2305/IUCN.UK.2016-3.RLTS.T61791135A95180896.en .
- 2016-10-01 . Otus spilocephalus . en . 10.2305/IUCN.UK.2016-3.RLTS.T22688579A93201511.en .
- 2016-10-01 . Otus nigrorum . en . 10.2305/IUCN.UK.2017-3.RLTS.T22725062A119425323.en .
- Ninox odiosa: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22689480A132060613. 2018-08-09. en. 10.2305/iucn.uk.2018-2.rlts.t22689480a132060613.en. free.
- 2016-10-01 . Ninox vareigata . en . 10.2305/IUCN.UK.2018-2.RLTS.T22689475A130164063.en .
- 2019-08-20 . Otus alius . en . 10.2305/IUCN.UK.2019-3.RLTS.T22728447A152511952.en .
- 2016-10-01 . Ninox japonica . en . 10.2305/IUCN.UK.2016-3.RLTS.T22725653A94898452.en .
- Surnia ulula: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689189A206518616. 2021-08-13. en. 10.2305/iucn.uk.2021-3.rlts.t22689189a206518616.en. free.
- 2016-10-01 . Glaucidium californicum . en . 10.2305/IUCN.UK.2016-3.RLTS.T61791401A95181072.en .
- 2016-10-01 . Aegolius acadicus . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689366A93228694.en .
- 2016-10-01 . Ptilopsis leucotis . en . 10.2305/IUCN.UK.2016-3.RLTS.T61781834A95179876.en .
- Ninox ochracea: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22689439A119424363. 2016-10-01. en. 10.2305/iucn.uk.2017-3.rlts.t22689439a119424363.en. free.
- 2021-02-18 . Strix butleri . en . 10.2305/IUCN.UK.2021-3.RLTS.T62290760A189658549.en .
- 2016-10-01 . Phodilus badius . en . 10.2305/IUCN.UK.2016-3.RLTS.T22727641A94955098.en .
- 2021-08-13 . Otus sunia . en . 10.2305/IUCN.UK.2021-3.RLTS.T22728969A206482277.en .
- 2016-10-01 . Glaucidium peruanum . en . 10.2305/IUCN.UK.2016-3.RLTS.T22689253A93223829.en .
- Megascops cooperi: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T155658784A167849084. 2020-02-07. en. 10.2305/iucn.uk.2021-3.rlts.t155658784a167849084.en. free.
- Otus fuliginosus: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T22688718A229775192. 2023-07-24. en. 10.2305/IUCN.UK.2023-1.RLTS.T22688718A229775192.en. free.
- Otus brucei: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22688631A206478716. 2021-08-12. en. 10.2305/IUCN.UK.2021-3.RLTS.T22688631A206478716.en. free.
- Otus pembaensis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688679A93205686. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22688679a93205686.en. free.
- Web site: 2019-08-06 . Glaucidium mooreorum: BirdLife International: The IUCN Red List of Threatened Species 2019: e.T22733081A156084939 . en . 10.2305/iucn.uk.2019-3.rlts.t22733081a156084939.en.
- Bubo philippensis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689002A93213848. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22689002a93213848.en. free.
- Ninox strenua: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689389A93229550. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22689389a93229550.en. free.
- Otus bikegila: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T230025085A231652448. 2023-08-11. en. 10.2305/IUCN.UK.2023-1.RLTS.T230025085A231652448.en. free.
- Tyto soumagnei: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688493A93198777. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22688493a93198777.en. free.
- Ninox rotiensis: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T22725127A233595800. 2023-07-13. en. 10.2305/IUCN.UK.2023-1.RLTS.T22725127A233595800.en. free.
- Megascops ingens: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T232594776A232861395.. 2023-04-19. en. 10.2305/IUCN.UK.2023-1.RLTS.T232594776A232861395.en. free.
- Scotopelia ussheri: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689038A180213988. 2021-01-26. en. 10.2305/iucn.uk.2021-3.rlts.t22689038a180213988.en. free.
- Otus hartlaubi: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22688620A131460770. 2018-08-07. en. 10.2305/iucn.uk.2018-2.rlts.t22688620a131460770.en. free.
- Otus thilohoffmanni: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22732040A95041044. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22732040a95041044.en. free.
- Otus insularis: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22688667A177971497. 2020-07-17. en. 10.2305/IUCN.UK.2021-3.RLTS.T22688667A177971497.en. free.
- Bubo shelleyi: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22688980A131104915. 2018-08-10. en. 10.2305/iucn.uk.2018-2.rlts.t22688980a131104915.en. free.
- Asio flammeus: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689531A202226582. 2021-06-17. en. 10.2305/iucn.uk.2021-3.rlts.t22689531a202226582.en. free.
- Otus siaoensis: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22728599A134199532. 2018-08-18. en. 10.2305/iucn.uk.2018-2.rlts.t22728599a134199532.en. free.
- Otus umbra: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T22688586A229906969. 2023-03-13. en. 10.2305/IUCN.UK.2023-1.RLTS.T22688586A229906969.en. free.
- Bubo scandiacus: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689055A205475036. 2021-07-23. en. 10.2305/iucn.uk.2021-3.rlts.t22689055a205475036.en. free.
- Otus ireneae: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688565A93201000. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22688565a93201000.en. free.
- Pulsatrix perspicillata: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22689180A130161018. 2018-08-07. en. 10.2305/iucn.uk.2018-2.rlts.t22689180a130161018.en. free.
- Strix occidentalis: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22689089A180937862. 2020-09-01. en. 10.2305/iucn.uk.2020-3.rlts.t22689089a180937862.en. free.
- Asio clamator: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689522A167863611. 2020-02-07. en. 10.2305/iucn.uk.2021-3.rlts.t22689522a167863611.en. free.
- Asio stygius: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689504A95214500. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22689504a95214500.en. free.
- Otus sulaensis: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T62290539A230014017. 2023-03-13. en. 10.2305/IUCN.UK.2023-1.RLTS.T62290539A230014017.en. free.
- Ninox rudolfi: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689398A93229974. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22689398a93229974.en. free.
- Tyto nigrobrunnea: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22688449A110038609. 2016-10-01. en. 10.2305/iucn.uk.2017-1.rlts.t22688449a110038609.en. free.
- Glaucidium sanchezi: BirdLife International: The IUCN Red List of Threatened Species 2019: e.T22724465A156097322. 2019-08-06. en. 10.2305/iucn.uk.2019-3.rlts.t22724465a156097322.en. free.
- Ninox forbesi: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T22727916A218489749. 2023-03-06. en. 10.2305/IUCN.UK.2023-1.RLTS.T22727916A218489749.en. free.
- Strix aluco: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22725469A86871093. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22725469a86871093.en. free.
- Ninox fusca: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T230084345A233564880. 2023-04-28. en. 10.2305/IUCN.UK.2023-1.RLTS.T230084345A233564880.en. free.
- Ninox burhani: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22732909A111289520. 2016-10-01. en. 10.2305/iucn.uk.2017-1.rlts.t22732909a111289520.en. free.
- Aegolius ridgwayi: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689371A93228935. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22689371a93228935.en. free.
- Aegolius ridgwayi: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689108A199908915. 2021-04-12. en. 10.2305/IUCN.UK.2021-3.RLTS.T22689108A199908915.en. free.
- Bubo poensis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22730030A95023684. 2016-10-01. en. 10.2305/iucn.uk.2016-3.rlts.t22730030a95023684.en. free.
- Otus sagittatus: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22688548A110219632. 2016-10-01. en. 10.2305/iucn.uk.2017-1.rlts.t22688548a110219632.en. free.
- Megascops albogularis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688903A93211055. 2016-10-01. en. 10.2305/IUCN.UK.2016-3.RLTS.T22688903A93211055.en. free.