List of Strigiformes 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)
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)
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 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

[edit]
Common name Binomial name Population Status Trend Notes Image
Abyssinian owl Asio abyssinicus ?[6] LC[6] Steady[6]
African barred owlet Glaucidium capense ?[7] LC[7] Decrease[7]
African grass-owl Tyto capensis ?[8] LC[8] Decrease[8]
African scops owl Otus senegalensis ?[9] LC[9] Steady[9]
African wood owl Strix woodfordii ?[10] LC[10] Steady[10]
Akun eagle-owl Ketupa leucosticta ?[11] LC[11] Decrease[11]
Albertine owlet Glaucidium albertinum 2,500-9,999[12]

NT[12]

Decrease[12]
Alor bookbook Ninox plesseni ?[13]

LC[13]

Steady[13]
Amazonian Pygmy-owl Glaucidium hardyi ?[14] LC[14] Decrease[14]
Andaman boobook Ninox affinis 2,500-9,999[15] LC[15] Decrease[15]
Andaman scops owl Otus balli ?[16] LC[16] Steady[16]
Andean pygmy owl Glaucidium jardinii ?[17] LC[17] Steady[17]
Anjouan scops owl Otus capnodes 2,300-3,600[18]

EN[18]

Decrease[18]
Annobon scops owl Otus feae 50-249[19] CR[19] Decrease[19]
Arabian eagle-owl Bubo milesi 4,000-9,999[20] LC[20] Steady[20]
Arabian scops owl Otus pamelae 60,000[21] LC[21] Steady[21]
Ashy-faced owl Tyto glaucops ?[22] LC[22] Steady[22]
Asian barred owlet Glaucidium cucoloides ?[23] LC[23] Increase[23]
Austral pygmy owl Glaucidium nana ?[24] LC[24] Steady[24]
Australian boobook Ninox boobook ?[25] LC[25] Decrease[25]
Australian masked owl Tyto novaehollandiae ?[26] LC[26] Decrease[26]
Baja pygmy owl Glaucidium hoskinsii ?[27] LC[27] Steady[27]
Balsas screech owl Megascops seductus 20,000 – 49,999[28]

LC[28]

Decrease[28]
Band-bellied owl Pulsatrix melanota ?[29] LC[29] Decrease[29]
Banggai scops owl Otus mendeni 10,000-40,000[30] NT[30] Decrease[30]
Bare-legged owl Margarobyas lawrencii ?[31] LC[31] Steady[31]
Bare-shanked screech owl Megascops clarkii 20,000-49,999[32] LC[32] Steady[32]
Barking owl Ninox connivens ?[33] LC[33] Decrease[33]
Barn owl Tyto alba 4,000,000-9,999,999[34]

LC[34]

Steady[34] Includes all subspecies
Barred eagle-owl Bubo sumatranus ?[35] NT[35] Decrease[35]
Barred owl Strix varia ?[36] LC[36] Increase[36]
Bearded screech owl Megascops barbarus 20,000 – 49,999[37]

LC[37]

Decrease[37]
Biak scops owl Otus beccarii 15,000-45,000[38]

NT[38]

Decrease[38]
Black-and-white owl Strix nigrolineata ?[39]

LC[39]

Decrease[39]
Black-banded owl Ciccaba huhula ?[40] LC[40] Decrease[40]
Black-capped screech owl Megascops atricapilla ?[41] LC[41] Steady[41]
Blakiston's fish owl Ketupa blakistoni 1,000-2,499[42]

EN[42]

Decrease[42] This subspecies is included under Bubo blakistoni.[42]
Boreal owl Aegolius funereus 730,000-1,810,000[43]

LC[43]

Steady[43]
Brown boobook Ninox scutulata ?[44] LC[44] Decrease[44]
Brown fish owl Ketupa zeylonensis ?[45] LC[45] Decrease[45]
Brown wood owl Strix leptogrammica ?[46] LC[46] Decrease[46]
Buff-fronted owl Aegolius harrisii ?[47] LC[47] Steady[47]
Buffy fish owl Ketupa ketupu ?[48] LC[48] Steady[48]
Burrowing owl Athene cunicularia ?[49] LC[49] Decrease[49]
Buru boobook Ninox hantu ?[50] LC[50] Decrease[50]
Camiguin boobook Ninox leventisi 250-1,400[51] VU[51] Decrease[51]
Cape eagle-owl Bubo capensis ?[52] LC[52] Steady[52]
Cebu boobook Ninox rumseyi 250-999[53] VU[53] Steady[53]
Central American pygmy owl Glaucidium griseiceps ?[54]

LC[54]

Steady[54]
Chaco owl Strix chacoensis ?[55] NT[55] Steady[55]
Chestnut-backed owlet Glaucidium castanonotum 10,000-19,999[56]

NT[56]

Decrease[56]
Chocolate boobook Ninox randi ?[57] NT[57] Decrease[57]
Christmas boobook Ninox natalis 1000[58]

VU[58]

Steady[58]
Cinnabar boobook Ninox ios ?[59]

LC[59]

Steady[59]
Cinnamon screech owl Megascops petersoni ?[60] LC[60] Decrease[60]
Cloud-forest pygmy owl Glaucidium nubicola 1,500-7,000[61]

VU[61]

Decrease[61]
Cloud-forest screech owl Megascops marshalli ?[62] NT[62] Steady[62]
Colima pygmy owl Glaucidium palmarum 20,000 – 49,999[63]

LC[63]

Decrease[63]
Collared owlet Glaucidium brodiei 10,000,000+[64] LC[64] Decrease[64]
Collared scops owl Outs lettia ?[65] LC[65] Steady[65]
Colombian screech owl Megascops colombianus 6,700[66]

NT[66]

Decrease[66]
Congo bay owl Phodilus prigoginei 2,500-9,999[67]

EN[67]

Decrease[67]
Costa Rican pygmy owl Glaucidium costaricanum ?[68] LC[68] Steady[68]
Crested owl Lophostrix cristata ?[69]

LC[69]

Decrease[69]
Cuban pygmy owl Glaudicium siju ?[70] LC[70] Steady[70]
Cyprus scops owl Otus cyprius 10,000-24,000[71] LC[71] Steady[71]
Desert owl Strix hadorami ?[72] LC[72] Steady[72]
Dusky eagle-owl Bubo coromandus ?[73] LC[73] Decrease[73]
East Brazilian pygmy owl Glaucidium minutissimum ?[74] LC[74] Decrease[74]
Eastern screech owl Megascops asio 560,000[75] LC[75] Decrease[75]
Elf owl Micrathene whitneyi 72,000[76] LC[76] Decrease[76]
Enggano scops owl Otus enganensis 2,500-9,999[77]

LC[77]

Steady[77]
Eurasian eagle-owl Bubo bubo 100,000-499,999[78]

LC[78]

Decrease[78]
Eurasian pygmy owl Glaucidium passerinum 500,000-1,199,999[79]

LC[79]

Steady[79]
Eurasian scops owl Otus scops 790,000-1,350,000[80]

LC[80]

Decrease[80]
Everett's scops owl Otus everetti ?[81] LC[81] Decrease[81]
Fearful owl Nesasio solomonensis 2,500-9,999[82]

NT[82]

Decrease[82]
Ferruginous pygmy owl Glaucidium brasilianum 20,000,000[83] LC[83] Decrease[83]
Flammulated owl Psiloscops flammeolus ?[84] LC[84] Decrease[84]
Flores scops owl Otus alfredi 250-2,499[85] EN[85] Decrease[85]
Forest owlet Heteroglaux blewitti 250-999[86]

EN[86]

Decrease[86]
Fraser's eagle-owl Bubo poensis ?[87] LC[87] Decrease[87]
Fulvous owl Strix fulvescens ?[88]

LC[88]

Decrease[88]
Giant scops owl Otus gurneyi 2,500-9,999[89]

VU[89]

Decrease[89]
Golden masked owl Tyto aurantia 2,500-9,999[90]

VU[90]

Decrease[90]
Great grey owl Strix nebulosa 50,000-99,999[91]

LC[91]

Increase[91]
Great horned owl Bubo virginianus ?[92] LC[92] Steady[92]
Greater sooty owl Tyto tenebricosa ?[93]

LC[93]

Decrease[93]
Greyish eagle-owl Bubo cinerascens ?[94] LC[94] Steady[94]
Guatemalan pygmy owl Glaucidium cobanense ?[95] LC[95] Decrease[95]
Halmahera boobook Ninox hypogramma ?[96] LC[96] Decrease[96]
Himalayan owl Strix nivicolum ?[97] LC[97] Steady[97]
Hume's boobook Ninox obscura ?[98] LC[98] Steady[98]
Indian eagle-owl Bubo bengalensis ?[99] LC[99] Steady[99]
Indian scops-owl Otus bakkamoena ?[100] LC[100] Steady[100]
Itombwe owl Phodilus prigoginei 2,500-9,999[101] EN[101] Decrease[101]
Jamaican owl Pseudoscops grammicus ?[102] LC[102] Decrease[102]
Japanese scops owl Otus semitorques ?[103] LC[103] Decrease[103]
Javan owlet Glacidium castanopterum ?[104] LC[104] Steady[104]
Javan scops owl Otus angelinae 1,500-7,000[105]

VU[105]

Decrease[105]
Jungle owlet Glaucidium radiatum ?[106] LC[106] Steady[106]
Karthala scops owl Otus pauliani 2,300[107]

EN[107]

Decrease[107]
Koepcke's screech owl Megascops koepckeae ?[108] LC[108] Steady[108]
Least boobook Ninox sumbaensis 10,000-19,999[109]

EN[109]

Decrease[109]
Lesser horned owl Bubo magellanicus ?[110] LC[110] Steady[110]
Lesser sooty owl Tyto multipunctata 4,000[111]

LC[111]

Decrease[111] Estimated to be around 2,000 breeding pairs[112]
Little owl Athene noctua 5,000,000-9,999,999[113]

LC[113]

Steady[113]
Long-eared owl Asio otus 2,200,000-3,700,000[114]

LC[114]

Decrease[114]
Long-tufted screech owl Megascops sanctaecatarinae ?[115] LC[115] Decrease[115]
Long-whiskered owlet Xenoglaux loweryi 250-999[116]

VU[116]

Steady[116]
Luzon boobook Ninox philippensis ?[117] LC[117] Decrease[117]
Luzon scops owl Otus longicornis ?[118] NC[118] Decrease[118]
Madagascar owl Asio madagascariensis ?[119] LC[119] Decrease[119]
Makira Boobook Ninox roseoaxillaris 2,500-9,999[120]

VU[120]

Decrease[120]
Malaita Boobook Ninox malaitae 2,500-9,999[121]

VU[121]

Decrease[121]
Mantanani scops owl Otus mantananensis ?[122]

LC[122]

Steady[122]
Maned owl Jubula lettii ?[123] DD[123] Steady[123]
Manus boobook Ninox meeki ?[124] LC[124] Steady[124]
Manus masked owl Tyto manusi ?[125]

LC[125]

Steady[125] This subspecies is included under Tyto novaehollandiae. Population estimates are not given.[125]
Marsh owl Asio capensis ?[126] LC[126] Steady[126]
Mayotte scops owl Otus mayottensis ?[127] LC[127] Steady[127]
Mentawai scops owl Otus mentawi 10,000-19,999[128]

LC[128]

Steady[128]
Middle American screech owl Megascops guatemalae ?[129]

LC[129]

Decrease[129]
Minahasa masked owl Tyto inexspectata ?[130]

LC[130]

Decrease[130]
Mindanao boobook Ninox spilocephala ?[131] NT[131] Decrease[131]
Mindanao scops owl Outs mirus ?[132] LC[132] Decrease[132]
Mindoro boobook Ninox mindorensis 2,500-9,999[133] VU[133] Decrease[133]
Mindoro scops owl Otus mindorensis 10,000-19,999[134]

NT[134]

Decrease[134]
Moheli scops owl Otus moheliensis 260[135]

EN[135]

Decrease[135]
Moluccan masked owl Tyto novaehollandiae ?[136] LC[136] Steady[136]
Moluccan scops owl Otus magicus ?[137] LC[137] Decrease[137]
Morepork Ninox novaeseelandiae ?[138] LC[138] Steady[138]
Mottled owl Strix virgata ?[139]

LC[139]

Decrease[139]
Mottled wood owl Strix ocellata ?[140] LC[140] Steady[140]
Mountain pygmy owl Glaucidium gnoma ?[141] LC[141] Decrease[141]
Mountain scops owl Otus spilocephalus ?[142] LC[142] Steady[142]
Negros scops owl Otus nigrorum 1,000-2,499[143] VU[143] Decrease[143]
New Britain boobook Ninox odiosa 10,000-19,999[144]

VU[144]

Decrease[144]
New Ireland boobook Ninox variegata ?[145] LC[145] Decrease[145]
Nicobar scops owl Otus alius 2,500-9,999[146] NT[146] Decrease[146]
Northern boobook Ninox japonica ?[147] LC[147] Steady[147]
Northern hawk-owl Surnia ulula 100,000-499,999[148]

LC[148]

Steady[148]
Northern pygmy owl Glaucidium californicum ?[149] LC[149] Increase[149]
Northern saw-whet owl Aegolius acadicus 2,000,000[150] LC[150] Decrease[150]
Northern white-faced owl Ptilopsis leucotis ?[151] LC[151] Steady[151]
Ochre-bellied boobook Ninox ochracea 10,000-19,999[152]

NT[152]

Decrease[152]
Omani owl Strix butleri ?[153] LC[153] Steady[153]
Oriental bay owl Phodilus badius ?[154] LC[154] Steady[154]
Oriental scops owl Otus sunia ?[155] LC[155] Steady[155]
Pacific pygmy owl Glaucidium peruanum ?[156] LC[156] Steady[156]
Pacific screech owl Megascops cooperi 50,000-499,999[157]

LC[157]

Decrease[157]
Palawan scops owl Otus fuliginosus 10,000-19,999[158]

LC[158]

Decrease[158]
Pallid scops owl Otus brucei ?[159]

LC[159]

Steady[159]
Pemba scops owl Otus pembaensis 3,000[160]

VU[160]

Decrease[160]
Pernambuco pygmy owl Glaucidium mooreorum 0-49[161]

CR[161]

Decrease[161] Maximum estimate; possibly extinct.[161]
Philippine eagle-owl Bubo philippensis 2,500-9,999[162]

VU[162]

Decrease[162]
Powerful owl Ninox strenua 2,200-2,800[163]

LC[163]

Steady[163]
Principe Scops-owl Otus bikegila 1,149-1,597[164]

CR[164]

Decrease[164]
Red owl Tyto soumagnei 2,500-9,999[165]

VU[165]

Decrease[165]
Rote Boobook Ninox rotiensis 500-5,000[166]

NT[166]

Decrease[166]
Rufescent screech-owl Megascops ingens ?[167]

LC[167]

Steady[167]
Rufous fishing owl Scotopelia ussheri 2,500-9,999[168]

VU[168]

Decrease[168]
São Tomé scops owl Otus hartlaubi 250-999[169]

VU[169]

Decrease[169]
Serendib scops owl Otus thilohoffmanni 150-700[170]

EN[170]

Decrease[170]
Seychelles Scops-owl Otus insularis 200-280[171]

CR[171]

Decrease[171]
Shelley's eagle-owl Bubo shelleyi 1,500-7,000[172]

VU[172]

Decrease[172]
Short-eared owl Asio flammeus 1,200,000-2,100,000[173]

LC[173]

Decrease[173]
Siau scops owl Otus siaoensis 1-49[174]

CR[174]

Steady[174]
Simeulue scops owl Otus umbra ? [175] LC[175] Steady[175]
Snowy owl Bubo scandiaca 14,000-28,000[176]

VU[176]

Decrease[176]
Sokoke scops owl Otus ireneae 2,500-9,999[177]

EN[177]

Decrease[177]
Spectacled owl Pulsatrix perspicillata ?[178]

LC[178]

Decrease[178]
Spotted owl Strix occidentalis 15,000[179]

NT[179]

Decrease[179]
Striped owl Pseudoscops clamator 500,000-4,999,999[180]

LC[180]

Decrease[180]
Stygian owl Asio stygius ?[181]

LC[181]

Decrease[181]
Sula scops-owl Otus sulaensis ?[182]

NT[182]

Decrease[182]
Sumba boobook Ninox rudolfi 6,000-15,000[183]

NT[183]

Decrease[183]
Taliabu masked owl Tyto nigrobrunnea 250-999[184]

VU[184]

?[184]
Tamaulipas pygmy owl Glaucidium sanchezi 20,000 – 49,999[185]

NT[185]

Decrease[185]
Tanimbar bookbook Ninox forbesi 12,000 – 48,000[186]

LC[186]

Steady[186]
Tawny owl Strix aluco 1,000,000-2,999,999[187]

LC[187]

Steady[187]
Timor bookbook Ninox fusca ? [188]

LC[188]

Decrease[188]
Togian boobook Ninox burhani 1,500-7,000[189]

NT[189]

Decrease[189]
Unspotted saw-whet owl Aegolius ridgwayi ?[190]

LC[190]

Steady[190]
Ural owl Strix uralensis 640,000-1,052,000[191]

LC[191]

Steady[191]
Usambara eagle-owl Bubo vosseleri ?[192]

LC[192]

Decrease[192] This subspecies is included under Bubo poensis.[192]
White-fronted scops owl Otus sagittatus 2,500-9,999[193]

VU[193]

Decrease[193]
White-throated screech-owl Megascops albogularis ?[194]

LC[194]

Steady[194]

See also

[edit]

References

[edit]
  1. ^ Hume, Julian P. (24 August 2017). Extinct Birds. ISBN 978-1-4729-3745-2.
  2. ^ "Ninox albifacies". IUCN Red List of Threatened Species. doi:10.2305/IUCN.UK.2016-3.RLTS.T22689496A93232295.en.
  3. ^ "Mascarenotus sauzieri". IUCN Red List of Threatened Species. doi:10.2305/IUCN.UK.2016-3.RLTS.T22728861A94999192.en.
  4. ^ "Mascarenotus grucheti". IUCN Red List of Threatened Species. doi:10.2305/IUCN.UK.2017-3.RLTS.T22728866A119424909.en.
  5. ^ "Mascarenotus murivorus". IUCN Red List of Threatened Species. doi:10.2305/IUCN.UK.2016-3.RLTS.T22728856A94999047.en.
  6. ^ a b c "Asio abyssinicus. The IUCN Red List of Threatened Species 2016: e.T22689512A93233846". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22689512A93233846.en.
  7. ^ a b c BirdLife International. (2017) [amended version of 2016 assessment]. "Glaucidium capense". IUCN Red List of Threatened Species. 2017: e.T22689290A111870445. doi:10.2305/IUCN.UK.2017-1.RLTS.T22689290A111870445.en. Retrieved 1 July 2024.
  8. ^ a b c "BirdLife International. 2016. Tyto capensis. The IUCN Red List of Threatened Species 2016: e.T22688514A93199287". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22688514A93199287.en.
  9. ^ a b c "BirdLife International. 2016. Otus senegalensis. The IUCN Red List of Threatened Species 2016: e.T61914670A95183137". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T61914670A95183137.en.
  10. ^ a b c "BirdLife International. 2016. Strix woodfordii. The IUCN Red List of Threatened Species 2016: e.T22689166A93220349". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22689166A93220349.en.
  11. ^ a b c "BirdLife International. 2018. Bubo leucostictus. The IUCN Red List of Threatened Species 2018: e.T22688996A130156693". IUCN Red List of Threatened Species. 2018-08-06. 2018-08-06. doi:10.2305/IUCN.UK.2018-2.RLTS.T22688996A130156693.en.
  12. ^ a b c "Glaucidium albertinum: BirdLife International: The IUCN Red List of Threatened Species 2022: e.T22689310A208604278". IUCN Red List of Threatened Species. 2021-10-05. 2021-10-05. doi:10.2305/iucn.uk.2022-1.rlts.t22689310a208604278.en.
  13. ^ a b c "Ninox plesseni: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T230087117A233595835". IUCN Red List of Threatened Species. 2023-05-22. 2023-05-22. doi:10.2305/IUCN.UK.2023-1.RLTS.T230087117A233595835.en.
  14. ^ a b c "BirdLife International. 2018. Glaucidium hardyi. The IUCN Red List of Threatened Species 2018: e.T22689234A130162570". IUCN Red List of Threatened Species. 2018-08-06. 2018-08-06. doi:10.2305/IUCN.UK.2018-2.RLTS.T22689234A130162570.en.
  15. ^ a b c "BirdLife International. 2017. Ninox affinis. The IUCN Red List of Threatened Species 2017: e.T22689420A118443805". IUCN Red List of Threatened Species. 2017-10-01. 2017-10-01. doi:10.2305/IUCN.UK.2017-3.RLTS.T22689420A118443805.en.
  16. ^ a b c "BirdLife International. 2017. Otus balli. The IUCN Red List of Threatened Species 2017: e.T22688573A118257284". IUCN Red List of Threatened Species. 2017-10-01. 2017-10-01. doi:10.2305/IUCN.UK.2017-3.RLTS.T22688573A118257284.en.
  17. ^ a b c "BirdLife International. 2016. Glaucidium jardinii. The IUCN Red List of Threatened Species 2016: e.T22689222A93223061". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22689222A93223061.en.
  18. ^ a b c "Otus capnodes: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22688686A119090936". IUCN Red List of Threatened Species. 2017-10-01. 2017-10-01. doi:10.2305/iucn.uk.2017-3.rlts.t22688686a119090936.en.
  19. ^ a b c BirdLife International. (2018) [amended version of 2017 assessment]. "Otus feae". IUCN Red List of Threatened Species. 2018: e.T61915272A125407816. doi:10.2305/IUCN.UK.2017-1.RLTS.T61915272A125407816.en. Retrieved 1 July 2024.
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  29. ^ a b c "Pulsatrix melanota. The IUCN Red List of Threatened Species 2018: e.T22689183A130161594". IUCN Red List of Threatened Species. 2018-08-07. 2018-08-07. doi:10.2305/IUCN.UK.2018-2.RLTS.T22689183A130161594.en.
  30. ^ a b c "Otus mendeni. The IUCN Red List of Threatened Species 2023: e.T62290488A209661225". IUCN Red List of Threatened Species. 2023-06-24. 2023-06-24. doi:10.2305/IUCN.UK.2023-1.RLTS.T62290488A209661225.en.
  31. ^ a b c "Margarobyas lawrencii". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22688883A93210507.en.
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  33. ^ a b c "Ninox connivens". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22689394A93229752.en.
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  36. ^ a b c "Strix varia". IUCN Red List of Threatened Species. doi:10.2305/IUCN.UK.2016-3.RLTS.T22689094A93217844.en.
  37. ^ a b c "Megascops barbarus: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22688807A180130085". IUCN Red List of Threatened Species. 2020-07-27. 2020-07-27. doi:10.2305/iucn.uk.2020-3.rlts.t22688807a180130085.en.
  38. ^ a b c "Otus beccarii: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T22724754A223084666". IUCN Red List of Threatened Species. 2023-02-20. 2023-02-20. doi:10.2305/IUCN.UK.2023-1.RLTS.T22724754A223084666.en.
  39. ^ a b c "Ciccaba nigrolineata: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22689133A130159025". IUCN Red List of Threatened Species. 2018-08-06. 2018-08-06. doi:10.2305/iucn.uk.2018-2.rlts.t22689133a130159025.en.
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  41. ^ a b c "Megascops atricapilla". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22731897A95038543.en.
  42. ^ a b c d "Bubo blakistoni: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689007A93214159". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22689007a93214159.en.
  43. ^ a b c "Aegolius funereus: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689362A201898946". IUCN Red List of Threatened Species. 2021-05-25. 2021-05-25. doi:10.2305/iucn.uk.2021-3.rlts.t22689362a201898946.en.
  44. ^ a b c "Ninox scutulata". IUCN Red List of Threatened Species. 2021-08-12. 2021-08-12. doi:10.2305/IUCN.UK.2021-3.RLTS.T22725643A200685229.en.
  45. ^ a b c "Ketupa zeylonensis". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22689012A90010491.en.
  46. ^ a b c "Strix leptogrammica". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22689071A93217052.en.
  47. ^ a b c "Aegolius harrasii". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22689378A93229112.en.
  48. ^ a b c "Ketupa ketupu". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22689024A93214791.en.
  49. ^ a b c "Athene cunicularia". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22689353A93227732.en.
  50. ^ a b c "Ninox hantu". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22727909A94965479.en.
  51. ^ a b c "Ninox leventisi". IUCN Red List of Threatened Species. 2021-10-02. 2021-10-02. doi:10.2305/IUCN.UK.2022-1.RLTS.T22725512A208503262.en.
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  53. ^ a b c "Ninox rumseyi". IUCN Red List of Threatened Species. 2021-10-11. 2021-10-11. doi:10.2305/IUCN.UK.2022-1.RLTS.T22725505A208960267.en.
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  55. ^ a b c "Strix chacoensis". IUCN Red List of Threatened Species. 2018-08-07. 2018-08-07. doi:10.2305/IUCN.UK.2020-3.RLTS.T22733306A177165960.en.
  56. ^ a b c "Glaucidium castanotum: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689286A93225535". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22689286a93225535.en.
  57. ^ a b c "Ninox randi". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22726321A94918597.en.
  58. ^ a b c "Ninox natalis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689452A93230899". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22689452a93230899.en.
  59. ^ a b c "Ninox ios: BirdLife International: The IUCN Red List of Threatened Species 2022: e.T22728610A207662764". IUCN Red List of Threatened Species. 2021-09-10. 2021-09-10. doi:10.2305/iucn.uk.2022-1.rlts.t22728610a207662764.en.
  60. ^ a b c "Megascops pertersoni". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22688840A93209725.en.
  61. ^ a b c "Glaucidium nubicola: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22724604A94873667". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22724604a94873667.en.
  62. ^ a b c "Megascops marshalli". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22688847A93209893.en.
  63. ^ a b c "Glaucidium palmarum: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22729019A152211515". IUCN Red List of Threatened Species. 2020-02-07. 2020-02-07. doi:10.2305/iucn.uk.2021-3.rlts.t22729019a152211515.en.
  64. ^ a b c "Glaucidium brodiei". IUCN Red List of Threatened Species. 2021-08-11. 2021-08-11. doi:10.2305/IUCN.UK.2021-3.RLTS.T200290653A206387811.en.
  65. ^ a b c "Otus lettia". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2017-3.RLTS.T61855318A118498941.en.
  66. ^ a b c "Megascops colombianus: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688829A93209510". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22688829a93209510.en.
  67. ^ a b c "Phodilus prigoginei: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688529A93199883". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22688529a93199883.en.
  68. ^ a b c "Glaucidium costaricanum". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22729005A95003007.en.
  69. ^ a b c "Lophostrix cristata: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22689177A130160501". IUCN Red List of Threatened Species. 2018-08-06. 2018-08-06. doi:10.2305/iucn.uk.2018-2.rlts.t22689177a130160501.en.
  70. ^ a b c "Glaucidium siju". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22689262A93224271.en.
  71. ^ a b c "Otus cyprius". IUCN Red List of Threatened Species. 2019-07-25. 2019-07-25. doi:10.2305/IUCN.UK.2019-3.RLTS.T155019839A155215276.en.
  72. ^ a b c "Strix hadorami". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2017-1.RLTS.T22689083A112418158.en.
  73. ^ a b c "Bubo coromandus". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22688992A93213395.en.
  74. ^ a b c "Glaucidium minutissimum". IUCN Red List of Threatened Species. 2018-08-06. 2018-08-06. doi:10.2305/IUCN.UK.2018-2.RLTS.T22689240A130162980.en.
  75. ^ a b c "Megascops asio". IUCN Red List of Threatened Species. 2019-08-06. 2019-08-06. doi:10.2305/IUCN.UK.2019-3.RLTS.T155660662A152331179.en.
  76. ^ a b c "Micrathene whitneyi". IUCN Red List of Threatened Species. 2020-02-19. 2020-02-19. doi:10.2305/IUCN.UK.2021-3.RLTS.T22689325A168847632.en.
  77. ^ a b c "Otus enganensis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22724390A226422700". IUCN Red List of Threatened Species. 2023-07-24. 2023-07-24. doi:10.2305/IUCN.UK.2023-1.RLTS.T22724390A226422700.en.
  78. ^ a b c "Bubo bubo: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22688927A113569670". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/iucn.uk.2017-1.rlts.t22688927a113569670.en.
  79. ^ a b c "Glaucidium passerinum: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689194A86868363". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22689194a86868363.en.
  80. ^ a b c "Otus scops: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T155019854A206523296". IUCN Red List of Threatened Species. 2021-08-13. 2021-08-13. doi:10.2305/iucn.uk.2021-3.rlts.t155019854a206523296.en.
  81. ^ a b c "Otus everetti". IUCN Red List of Threatened Species. 2016-10-02. 2016-10-02. doi:10.2305/IUCN.UK.2016-3.RLTS.T22725053A94884958.en.
  82. ^ a b c "Nesasio solomonensis". IUCN Red List of Threatened Species. 2023-07-18. 2023-07-18. doi:10.2305/IUCN.UK.2023-1.RLTS.T22689539A227316153.en.
  83. ^ a b c "Glaucidium brasilianum". IUCN Red List of Threatened Species. 2022-08-15. 2022-08-15.
  84. ^ a b c "Psiloscops flammeolus". IUCN Red List of Threatened Species. 2016-10-02. 2016-10-02. doi:10.2305/IUCN.UK.2016-3.RLTS.T22688637A93203659.en.
  85. ^ a b c "Otus alfredi". IUCN Red List of Threatened Species. 2016-10-02. 2016-10-02. doi:10.2305/IUCN.UK.2016-3.RLTS.T22724396A94864662.en.
  86. ^ a b c "Heteroglaux blewitti: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22689335A132251554". IUCN Red List of Threatened Species. 2018-08-06. 2018-08-06. doi:10.2305/iucn.uk.2018-2.rlts.t22689335a132251554.en.
  87. ^ a b c "Fraser's eagle owl". IUCN Red List of Threatened Species. 2016-10-02. 2016-10-02. doi:10.2305/IUCN.UK.2016-3.RLTS.T22730030A95023684.en.
  88. ^ a b c "Strix fulvescens: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689097A93218072". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22689097a93218072.en.
  89. ^ a b c "Otus gurneyi: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22688911A110372685". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/iucn.uk.2017-1.rlts.t22688911a110372685.en.
  90. ^ a b c "Tyto aurantia: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22688470A132059362". IUCN Red List of Threatened Species. 2018-08-09. 2018-08-09. doi:10.2305/iucn.uk.2018-2.rlts.t22688470a132059362.en.
  91. ^ a b c "Strix nebulosa: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689118A199144259". IUCN Red List of Threatened Species. 2021-03-30. 2021-03-30. doi:10.2305/iucn.uk.2021-3.rlts.t22689118a199144259.en.
  92. ^ a b c "Bubo virginianus". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2018-2.RLTS.T61752071A132039486.en.
  93. ^ a b c "BirdLife International. 2016. Tyto tenebricosa. The IUCN Red List of Threatened Species 2016". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01.
  94. ^ a b c "Bubo cinerascens". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T61741660A95178482.en.
  95. ^ a b c "Glaucidium cobanense". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T61791597A95181252.en.
  96. ^ a b c "Ninox hypogramma". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22727900A94965298.en.
  97. ^ a b c "Strix nivicolum". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22725477A94893250.en.
  98. ^ a b c "Ninox obscura". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22726328A94918968.en.
  99. ^ a b c "Bubo bengalensis". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T22688934A93211525.en.
  100. ^ a b c "Otus bakkamoena". IUCN Red List of Threatened Species. 2016-10-01. 2016-10-01. doi:10.2305/IUCN.UK.2016-3.RLTS.T61855263A95182096.en.