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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

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

EN [17]

Decrease [17]
Annobon scops owl Otus feae 50-249 [18] CR [18] Decrease [18]
Arabian eagle-owl Bubo milesi 4,000-9,999 [19] LC [19] Steady [19]
Arabian scops owl Otus pamelae 60,000 [20] LC [20] Steady [20]
Ashy-faced owl Tyto glaucops ? [21] LC [21] Steady [21]
Asian barred owlet Glaucidium cucoloides ? [22] LC [22] Increase [22]
Austral pygmy owl Glaucidium nana ? [23] LC [23] Steady [23]
Australian boobook Ninox boobook ? [24] LC [24] Steady [24]
Australian masked owl Tyto novaehollandiae ? [25] LC [25] Steady [25]
Baja pygmy owl Glaucidium hoskinsii ? [26] LC [26] Steady [26]
Balsas screech owl Megascops seductus 20,000 – 49,999 [27]

LC [27]

Decrease [27]
Band-bellied owl Pulsatrix melanota ? [28] LC [28] Decrease [28]
Banggai scops owl Otus mendeni 10,000-40,000 [29] NT [29] Decrease [29]
Bare-legged owl Margarobyas lawrencii ? [30] LC [30] Steady [30]
Bare-shanked screech owl Megascops clarkii 20,000-49,999 [31] LC [31] Steady [31]
Barking owl Ninox connivens ? [32] LC [32] Decrease [32]
Barn owl Tyto alba 4,000,000-9,999,999 [33]

LC [33]

Steady [33] Includes all subspecies
Barred eagle-owl Bubo sumatranus ? [34] NT [34] Decrease [34]
Barred owl Strix varia ? [35] LC [35] Increase [35]
Bearded screech owl Megascops barbarus 20,000 – 49,999 [36]

LC [36]

Decrease [36]
Biak scops owl Otus beccarii 15,000-45,000 [37]

NT [37]

Decrease [37]
Black-and-white owl Strix nigrolineata ? [38]

LC [38]

Decrease [38]
Black-banded owl Ciccaba huhula ? [39] LC [39] Decrease [39]
Black-capped screech owl Megascops atricapilla ? [40] LC [40] Steady [40]
Blakiston's fish owl Ketupa blakistoni 1,000-2,499 [41]

EN [41]

Decrease [41] This subspecies is included under Bubo blakistoni. [41]
Boreal owl Aegolius funereus 730,000-1,810,000 [42]

LC [42]

Steady [42]
Brown boobook Ninox scutulata ? [43] LC [43] Decrease [43]
Brown fish owl Ketupa zeylonensis ? [44] LC [44] Decrease [44]
Brown wood owl Strix leptogrammica ? [45] LC [45] Decrease [45]
Buff-fronted owl Aegolius harrisii ? [46] LC [46] Steady [46]
Buffy fish owl Ketupa ketupu ? [47] LC [47] Steady [47]
Burrowing owl Athene cunicularia ? [48] LC [48] Decrease [48]
Buru boobook Ninox hantu ? [49] LC [49] Decrease [49]
Camiguin boobook Ninox leventisi 250-1,400 [50] VU [50] Decrease [50]
Cape eagle-owl Bubo capensis ? [51] LC [51] Steady [51]
Cebu boobook Ninox rumseyi 250-999 [52] VU [52] Steady [52]
Central American pygmy owl Glaucidium griseiceps ? [53]

LC [53]

Steady [53]
Chaco owl Strix chacoensis ? [54] NT [54] Steady [54]
Chestnut-backed owlet Glaucidium castanonotum 10,000-19,999 [55]

NT [55]

Decrease [55]
Chocolate boobook Ninox randi ? [56] NT [56] Decrease [56]
Christmas boobook Ninox natalis 1000 [57]

VU [57]

Steady [57]
Cinnabar boobook Ninox ios ? [58]

LC [58]

Steady [58]
Cinnamon screech owl Megascops petersoni ? [59] LC [59] Decrease [59]
Cloud-forest pygmy owl Glaucidium nubicola 1,500-7,000 [60]

VU [60]

Decrease [60]
Cloud-forest screech owl Megascops marshalli ? [61] NT [61] Steady [61]
Colima pygmy owl Glaucidium palmarum 20,000 – 49,999 [62]

LC [62]

Decrease [62]
Collared owlet Glaucidium brodiei 10,000,000+ [63] LC [63] Decrease [63]
Collared scops owl Outs lettia ? [64] LC [64] Steady [64]
Colombian screech owl Megascops colombianus 6,700 [65]

NT [65]

Decrease [65]
Congo bay owl Phodilus prigoginei 2,500-9,999 [66]

EN [66]

Decrease [66]
Costa Rican pygmy owl Glaucidium costaricanum ? [67] LC [67] Steady [67]
Crested owl Lophostrix cristata ? [68]

LC [68]

Decrease [68]
Cuban pygmy owl Glaudicium siju ? [69] LC [69] Steady [69]
Cyprus scops owl Otus cyprius 10,000-24,000 [70] LC [70] Steady [70]
Desert owl Strix hadorami ? [71] LC [71] Steady [71]
Dusky eagle-owl Bubo coromandus ? [72] LC [72] Decrease [72]
East Brazilian pygmy owl Glaucidium minutissimum ? [73] LC [73] Decrease [73]
Eastern screech owl Megascops asio 560,000 [74] LC [74] Decrease [74]
Elf owl Micrathene whitneyi 72,000 [75] LC [75] Decrease [75]
Enggano scops owl Otus enganensis 2,500-9,999 [76]

NT [76]

Steady [76]
Eurasian eagle-owl Bubo bubo 100,000-499,999 [77]

LC [77]

Decrease [77]
Eurasian pygmy owl Glaucidium passerinum 500,000-1,199,999 [78]

LC [78]

Steady [78]
Eurasian scops owl Otus scops 790,000-1,350,000 [79]

LC [79]

Decrease [79]
Everett's scops owl Otus everetti ? [80] LC [80] Decrease [80]
Fearful owl Nesasio solomonensis 2,500-9,999 [81]

NT [81]

Decrease [81]
Ferruginous pygmy owl Glaucidium brasilianum 20,000,000 [82] LC [82] Decrease [82]
Flammulated owl Psiloscops flammeolus ? [83] LC [83] Decrease [83]
Flores scops owl Otus alfredi 250-2,499 [84] EN [84] Decrease [84]
Forest owlet Heteroglaux blewitti 250-999 [85]

EN [85]

Decrease [85]
Fraser's eagle-owl Bubo poensis ? [86] LC [86] Decrease [86]
Fulvous owl Strix fulvescens ? [87]

LC [87]

Decrease [87]
Giant scops owl Otus gurneyi 2,500-9,999 [88]

VU [88]

Decrease [88]
Golden masked owl Tyto aurantia 2,500-9,999 [89]

VU [89]

Decrease [89]
Great grey owl Strix nebulosa 50,000-99,999 [90]

LC [90]

Increase [90]
Great horned owl Bubo virginianus ? [91] LC [91] Steady [91]
Greater sooty owl Tyto tenebricosa ? [92]

LC [92]

Decrease [92]
Greyish eagle-owl Bubo cinerascens ? [93] LC [93] Steady [93]
Guatemalan pygmy owl Glaucidium cobanense ? [94] LC [94] Decrease [94]
Halmahera boobook Ninox hypogramma ? [95] LC [95] Decrease [95]
Himalayan owl Strix nivicolum ? [96] LC [96] Steady [96]
Hume's boobook Ninox obscura ? [97] LC [97] Steady [97]
Indian eagle-owl Bubo bengalensis ? [98] LC [98] Steady [98]
Indian scops-owl Otus bakkamoena ? [99] LC [99] Steady [99]
Itombwe owl Phodilus prigoginei 2,500-9,999 [100] EN [100] Decrease [100]
Jamaican owl Pseudoscops grammicus ? [101] LC [101] Decrease [101]
Japanese scops owl Otus semitorques ? [102] LC [102] Decrease [102]
Javan owlet Glacidium castanopterum ? [103] LC [103] Steady [103]
Javan scops owl Otus angelinae 1,500-7,000 [104]

VU [104]

Decrease [104]
Jungle owlet Glaucidium radiatum ? [105] LC [105] Steady [105]
Karthala scops owl Otus pauliani 2,300 [106]

EN [106]

Decrease [106]
Koepcke's screech owl Megascops koepckeae ? [107] LC [107] Steady [107]
Least boobook Ninox sumbaensis 10,000-19,999 [108]

EN [108]

Decrease [108]
Lesser horned owl Bubo magellanicus ? [109] LC [109] Steady [109]
Lesser sooty owl Tyto multipunctata 4,000 [110]

LC [110]

Decrease [110] Estimated to be around 2,000 breeding pairs [111]
Little owl Athene noctua 5,000,000-9,999,999 [112]

LC [112]

Steady [112]
Long-eared owl Asio otus 2,200,000-3,700,000 [113]

LC [113]

Decrease [113]
Long-tufted screech owl Megascops sanctaecatarinae ? [114] LC [114] Decrease [114]
Long-whiskered owlet Xenoglaux loweryi 250-999 [115]

VU [115]

Steady [115]
Luzon boobook Ninox philippensis ? [116] LC [116] Decrease [116]
Luzon scops owl Otus longicornis ? [117] NC [117] Decrease [117]
Madagascar owl Asio madagascariensis ? [118] LC [118] Decrease [118]
Makira Boobook Ninox roseoaxillaris 2,500-9,999 [119]

VU [119]

Decrease [119]
Malaita Boobook Ninox malaitae 2,500-9,999 [120]

VU [120]

Decrease [120]
Mantanani scops owl Otus mantananensis 6,000-15,000 [121]

NT [121]

Decrease [121]
Maned owl Jubula lettii ? [122] DD [122] Steady [122]
Manus boobook Ninox meeki ? [123] LC [123] Steady [123]
Manus masked owl Tyto manusi ? [124]

LC [124]

Steady [124] This subspecies is included under Tyto novaehollandiae. Population estimates are not given. [124]
Marsh owl Asio capensis ? [125] LC [125] Steady [125]
Mayotte scops owl Otus mayottensis ? [126] LC [126] Steady [126]
Mentawai scops owl Otus mentawi 10,000-19,999 [127]

NT [127]

Decrease [127]
Middle American screech owl Megascops guatemalae ? [128]

LC [128]

Decrease [128]
Minahasa masked owl Tyto inexspectata 2,500-9,999 [129]

VU [129]

Decrease [129]
Mindanao boobook Ninox spilocephala ? [130] NT [130] Decrease [130]
Mindanao scops owl Outs mirus ? [131] NT [131] Decrease [131]
Mindoro boobook Ninox mindorensis 2,500-9,999 [132] VU [132] Decrease [132]
Mindoro scops owl Otus mindorensis 10,000-19,999 [133]

NT [133]

Decrease [133]
Moheli scops owl Otus moheliensis 260 [134]

EN [134]

Decrease [134]
Moluccan masked owl Tyto novaehollandiae ? [135] LC [135] Steady [135]
Moluccan scops owl Otus magicus ? [136] LC [136] Decrease [136]
Morepork Ninox novaeseelandiae ? [137] LC [137] Steady [137]
Mottled owl Strix virgata ? [138]

LC [138]

Decrease [138]
Mottled wood owl Strix ocellata ? [139] LC [139] Steady [139]
Mountain pygmy owl Glaucidium gnoma ? [140] LC [140] Decrease [140]
Mountain scops owl Otus spilocephalus ? [141] LC [141] Steady [141]
Negros scops owl Otus nigrorum 1,000-2,499 [142] VU [142] Decrease [142]
New Britain boobook Ninox odiosa 10,000-19,999 [143]

VU [143]

Decrease [143]
New Ireland boobook Ninox variegata ? [144] LC [144] Decrease [144]
Nicobar scops owl Otus alius 2,500-9,999 [145] NT [145] Decrease [145]
Northern boobook Ninox japonica ? [146] LC [146] Steady [146]
Northern hawk-owl Surnia ulula 100,000-499,999 [147]

LC [147]

Steady [147]
Northern pygmy owl Glaucidium californicum ? [148] LC [148] Increase [148]
Northern saw-whet owl Aegolius acadicus 2,000,000 [149] LC [149] Decrease [149]
Northern white-faced owl Ptilopsis leucotis ? [150] LC [150] Steady [150]
Ochre-bellied boobook Ninox ochracea 10,000-19,999 [151]

NT [151]

Decrease [151]
Omani owl Strix butleri ? [152] LC [152] Steady [152]
Oriental bay owl Phodilus badius ? [153] LC [153] Steady [153]
Oriental scops owl Otus sunia ? [154] LC [154] Steady [154]
Pacific pygmy owl Glaucidium peruanum ? [155] LC [155] Steady [155]
Pacific screech owl Megascops cooperi 50,000-499,999 [156]

LC [156]

Decrease [156]
Palawan scops owl Otus fuliginosus 10,000-19,999 [157]

NT [157]

Decrease [157]
Pemba scops owl Otus pembaensis 3,000 [158]

VU [158]

Decrease [158]
Pernambuco pygmy owl Glaucidium mooreorum 0-49 [159]

CR [159]

Decrease [159] Maximum estimate; possibly extinct. [159]
Philippine eagle-owl Bubo philippensis 2,500-9,999 [160]

VU [160]

Decrease [160]
Powerful owl Ninox strenua 2,200-2,800 [161]

LC [161]

Steady [161]
Principe Scops-owl Otus bikegila 1,149-1,597 [162]

CR [162]

Decrease [162]
Red owl Tyto soumagnei 2,500-9,999 [163]

VU [163]

Decrease [163]
Rote Boobook Ninox rotiensis 500-5,000 [164]

NT [164]

Decrease [164]
Rufous fishing owl Scotopelia ussheri 2,500-9,999 [165]

VU [165]

Decrease [165]
São Tomé scops owl Otus hartlaubi 250-999 [166]

VU [166]

Decrease [166]
Serendib scops owl Otus thilohoffmanni 150-700 [167]

EN [167]

Decrease [167]
Seychelles Scops-owl Otus insularis 200-280 [168]

CR [168]

Decrease [168]
Shelley's eagle-owl Bubo shelleyi 1,500-7,000 [169]

VU [169]

Decrease [169]
Short-eared owl Asio flammeus 1,200,000-2,100,000 [170]

LC [170]

Decrease [170]
Siau scops owl Otus siaoensis 1-49 [171]

CR [171]

Steady [171]
Snowy owl Bubo scandiaca 14,000-28,000 [172]

VU [172]

Decrease [172]
Sokoke scops owl Otus ireneae 2,500-9,999 [173]

EN [173]

Decrease [173]
Spectacled owl Pulsatrix perspicillata ? [174]

LC [174]

Decrease [174]
Spotted owl Strix occidentalis 15,000 [175]

NT [175]

Decrease [175]
Striped owl Pseudoscops clamator 500,000-4,999,999 [176]

LC [176]

Decrease [176]
Stygian owl Asio stygius ? [177]

LC [177]

Decrease [177]
Sula scops-owl Otus sulaensis ? [178]

NT [178]

Decrease [178]
Sumba boobook Ninox rudolfi 6,000-15,000 [179]

NT [179]

Decrease [179]
Taliabu masked owl Tyto nigrobrunnea 250-999 [180]

VU [180]

? [180]
Tamaulipas pygmy owl Glaucidium sanchezi 20,000 – 49,999 [181]

NT [181]

Decrease [181]
Tawny owl Strix aluco 1,000,000-2,999,999 [182]

LC [182]

Steady [182]
Togian boobook Ninox burhani 1,500-7,000 [183]

NT [183]

Decrease [183]
Unspotted saw-whet owl Aegolius ridgwayi ? [184]

LC [184]

Steady [184]
Usambara eagle-owl Bubo vosseleri ? [185]

LC [185]

Decrease [185] This subspecies is included under Bubo poensis. [185]
White-fronted scops owl Otus sagittatus 2,500-9,999 [186]

VU [186]

Decrease [186]

See also

References

  1. ^ Hume, Julian P. (24 August 2017). Extinct Birds. ISBN  9781472937452.
  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 IUCN (2016-10-01). "Asio abyssinicus. The IUCN Red List of Threatened Species 2016: e.T22689512A93233846". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22689512A93233846.en.
  7. ^ a b c IUCN (2016-10-01). "BirdLife International. 2017. Glaucidium capense (amended version of 2016 assessment). The IUCN Red List of Threatened Species 2017: e.T22689290A111870445". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2017-1.RLTS.T22689290A111870445.en.
  8. ^ a b c IUCN (2016-10-01). "BirdLife International. 2016. Tyto capensis. The IUCN Red List of Threatened Species 2016: e.T22688514A93199287". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22688514A93199287.en.
  9. ^ a b c IUCN (2016-10-01). "BirdLife International. 2016. Otus senegalensis. The IUCN Red List of Threatened Species 2016: e.T61914670A95183137". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T61914670A95183137.en.
  10. ^ a b c IUCN (2016-10-01). "BirdLife International. 2016. Strix woodfordii. The IUCN Red List of Threatened Species 2016: e.T22689166A93220349". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22689166A93220349.en.
  11. ^ a b c IUCN (2018-08-06). "BirdLife International. 2018. Bubo leucostictus. The IUCN Red List of Threatened Species 2018: e.T22688996A130156693". IUCN Red List of Threatened Species. 2018-08-06. doi: 10.2305/IUCN.UK.2018-2.RLTS.T22688996A130156693.en.
  12. ^ a b c IUCN (2021-10-05). "Glaucidium albertinum: BirdLife International: The IUCN Red List of Threatened Species 2022: e.T22689310A208604278". IUCN Red List of Threatened Species. 2021-10-05. doi: 10.2305/iucn.uk.2022-1.rlts.t22689310a208604278.en.
  13. ^ a b c IUCN (2018-08-06). "BirdLife International. 2018. Glaucidium hardyi. The IUCN Red List of Threatened Species 2018: e.T22689234A130162570". IUCN Red List of Threatened Species. 2018-08-06. doi: 10.2305/IUCN.UK.2018-2.RLTS.T22689234A130162570.en.
  14. ^ a b c IUCN (2017-10-01). "BirdLife International. 2017. Ninox affinis. The IUCN Red List of Threatened Species 2017: e.T22689420A118443805". IUCN Red List of Threatened Species. 2017-10-01. doi: 10.2305/IUCN.UK.2017-3.RLTS.T22689420A118443805.en.
  15. ^ a b c IUCN (2017-10-01). "BirdLife International. 2017. Otus balli. The IUCN Red List of Threatened Species 2017: e.T22688573A118257284". IUCN Red List of Threatened Species. 2017-10-01. doi: 10.2305/IUCN.UK.2017-3.RLTS.T22688573A118257284.en.
  16. ^ a b c IUCN (2016-10-01). "BirdLife International. 2016. Glaucidium jardinii. The IUCN Red List of Threatened Species 2016: e.T22689222A93223061". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22689222A93223061.en.
  17. ^ a b c IUCN (2017-10-01). "Otus capnodes: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22688686A119090936". IUCN Red List of Threatened Species. 2017-10-01. doi: 10.2305/iucn.uk.2017-3.rlts.t22688686a119090936.en.
  18. ^ a b c IUCN (2016-10-01). "BirdLife International. 2018. Otus feae (amended version of 2017 assessment). The IUCN Red List of Threatened Species 2018: e.T61915272A125407816". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2017-1.RLTS.T61915272A125407816.en.
  19. ^ a b c IUCN (2022-05-23). "BirdLife International. 2022. Bubo milesi. The IUCN Red List of Threatened Species 2022: e.T216709635A217222538". IUCN Red List of Threatened Species. 2022-05-23.
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  114. ^ a b c IUCN (2016-10-01). "Megascops sanctaecatarinae". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22688874A93210328.en.
  115. ^ a b c IUCN (2020-08-03). "Xenoglaux loweryi: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22689320A180768478". IUCN Red List of Threatened Species. 2020-08-03. doi: 10.2305/iucn.uk.2020-3.rlts.t22689320a180768478.en.
  116. ^ a b c IUCN (2016-10-01). "Ninox philippensis". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22725483A94893562.en.
  117. ^ a b c IUCN (2016-10-01). "Otus longicornis". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22688602A93202286.en.
  118. ^ a b c IUCN (2018-08-07). "Asio madagascariensis". IUCN Red List of Threatened Species. 2018-08-07. doi: 10.2305/IUCN.UK.2018-2.RLTS.T22689517A130164463.en.
  119. ^ a b c IUCN (2023-03-12). "Ninox roseoaxillaris". IUCN Red List of Threatened Species. 2023-03-12. doi: 10.2305/IUCN.UK.2023-1.RLTS.T45449334A157834363.en.
  120. ^ a b c IUCN (2021-10-13). "Ninox malaitae". IUCN Red List of Threatened Species. 2021-10-13. doi: 10.2305/IUCN.UK.2023-1.RLTS.T45449331A209059576.en.
  121. ^ a b c IUCN (2016-10-01). "Otus mantananensis: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22688656A111043242". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2017-1.rlts.t22688656a111043242.en.
  122. ^ a b c IUCN (2016-10-01). "Jubula lettii". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22689173A93220733.en.
  123. ^ a b c IUCN (2016-10-01). "Ninox meeki". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22689465A93231357.en.
  124. ^ a b c d IUCN (2018-08-09). "Tyto novaehollandiae: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T62172196A132190206". IUCN Red List of Threatened Species. 2018-08-09. doi: 10.2305/iucn.uk.2018-2.rlts.t62172196a132190206.en.
  125. ^ a b c IUCN (2021-05-28). "Asio capensis". IUCN Red List of Threatened Species. 2021-05-28. doi: 10.2305/IUCN.UK.2021-3.RLTS.T22689535A202174205.en.
  126. ^ a b c IUCN (2016-10-01). "Otus mayottensis". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22732599A95047769.en.
  127. ^ a b c IUCN (2016-10-01). "Otus mentawi: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688713A93206881". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22688713a93206881.en.
  128. ^ a b c IUCN (2016-10-01). "Megascops guatemalae: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T61767847A95179450". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t61767847a95179450.en.
  129. ^ a b c IUCN (2016-10-01). "Tyto inexspectata: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688441A93197763". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22688441a93197763.en.
  130. ^ a b c IUCN (2016-10-01). "Ninox spilocephala". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2018-2.RLTS.T22728252A129607986.en.
  131. ^ a b c IUCN (2016-10-01). "Outs mirus". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22688614A93202795.en.
  132. ^ a b c IUCN (2016-10-01). "Ninox mindorensis". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2017-1.RLTS.T22726334A110274000.en.
  133. ^ a b c IUCN (2016-10-01). "Otus mindorensis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688608A93202581". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22688608a93202581.en.
  134. ^ a b c IUCN (2017-10-01). "Otus moheliensis: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22724585A118472254". IUCN Red List of Threatened Species. 2017-10-01. doi: 10.2305/iucn.uk.2017-3.rlts.t22724585a118472254.en.
  135. ^ a b c IUCN (2016-10-01). "Tyto novaehollandiae". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2018-2.RLTS.T62172196A132190206.en.
  136. ^ a b c IUCN (2022-08-17). "Otus magicus". IUCN Red List of Threatened Species. 2022-08-17. doi: 10.2305/IUCN.UK.2022-2.RLTS.T219588044A219587839.en.
  137. ^ a b c IUCN (2016-10-01). "Ninox novaeseelandiae". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T62023843A95186187.en.
  138. ^ a b c IUCN (2016-10-01). "Ciccaba virgata: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689122A93219321". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22689122a93219321.en.
  139. ^ a b c IUCN (2016-10-01). "Strix ocellata". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22689066A93216851.en.
  140. ^ a b c IUCN (2016-10-01). "Glaucidium gnoma". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T61791135A95180896.en.
  141. ^ a b c IUCN (2016-10-01). "Otus spilocephalus". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22688579A93201511.en.
  142. ^ a b c IUCN (2016-10-01). "Otus nigrorum". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2017-3.RLTS.T22725062A119425323.en.
  143. ^ a b c IUCN (2018-08-09). "Ninox odiosa: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22689480A132060613". IUCN Red List of Threatened Species. 2018-08-09. doi: 10.2305/iucn.uk.2018-2.rlts.t22689480a132060613.en.
  144. ^ a b c IUCN (2016-10-01). "Ninox vareigata". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2018-2.RLTS.T22689475A130164063.en.
  145. ^ a b c IUCN (2019-08-20). "Otus alius". IUCN Red List of Threatened Species. 2019-08-20. doi: 10.2305/IUCN.UK.2019-3.RLTS.T22728447A152511952.en.
  146. ^ a b c IUCN (2016-10-01). "Ninox japonica". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22725653A94898452.en.
  147. ^ a b c IUCN (2021-08-13). "Surnia ulula: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689189A206518616". IUCN Red List of Threatened Species. 2021-08-13. doi: 10.2305/iucn.uk.2021-3.rlts.t22689189a206518616.en.
  148. ^ a b c IUCN (2016-10-01). "Glaucidium californicum". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T61791401A95181072.en.
  149. ^ a b c IUCN (2016-10-01). "Aegolius acadicus". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22689366A93228694.en.
  150. ^ a b c IUCN (2016-10-01). "Ptilopsis leucotis". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T61781834A95179876.en.
  151. ^ a b c IUCN (2016-10-01). "Ninox ochracea: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22689439A119424363". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2017-3.rlts.t22689439a119424363.en.
  152. ^ a b c IUCN (2021-02-18). "Strix butleri". IUCN Red List of Threatened Species. 2021-02-18. doi: 10.2305/IUCN.UK.2021-3.RLTS.T62290760A189658549.en.
  153. ^ a b c IUCN (2016-10-01). "Phodilus badius". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22727641A94955098.en.
  154. ^ a b c IUCN (2021-08-13). "Otus sunia". IUCN Red List of Threatened Species. 2021-08-13. doi: 10.2305/IUCN.UK.2021-3.RLTS.T22728969A206482277.en.
  155. ^ a b c IUCN (2016-10-01). "Glaucidium peruanum". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/IUCN.UK.2016-3.RLTS.T22689253A93223829.en.
  156. ^ a b c IUCN (2020-02-07). "Megascops cooperi: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T155658784A167849084". IUCN Red List of Threatened Species. 2020-02-07. doi: 10.2305/iucn.uk.2021-3.rlts.t155658784a167849084.en.
  157. ^ a b c IUCN (2016-10-01). "Otus fuliginosus: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688718A93207140". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22688718a93207140.en.
  158. ^ a b c IUCN (2016-10-01). "Otus pembaensis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688679A93205686". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22688679a93205686.en.
  159. ^ a b c d IUCN (2019-08-06). "Glaucidium mooreorum: BirdLife International: The IUCN Red List of Threatened Species 2019: e.T22733081A156084939". doi: 10.2305/iucn.uk.2019-3.rlts.t22733081a156084939.en.
  160. ^ a b c IUCN (2016-10-01). "Bubo philippensis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689002A93213848". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22689002a93213848.en.
  161. ^ a b c IUCN (2016-10-01). "Ninox strenua: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689389A93229550". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22689389a93229550.en.
  162. ^ a b c IUCN (2023-08-11). "Otus bikegila: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T230025085A231652448". IUCN Red List of Threatened Species. 2023-08-11. doi: 10.2305/IUCN.UK.2023-1.RLTS.T230025085A231652448.en.
  163. ^ a b c IUCN (2016-10-01). "Tyto soumagnei: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688493A93198777". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22688493a93198777.en.
  164. ^ a b c IUCN (2023-07-13). "Ninox rotiensis: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T22725127A233595800". IUCN Red List of Threatened Species. 2023-07-13. doi: 10.2305/IUCN.UK.2023-1.RLTS.T22725127A233595800.en.
  165. ^ a b c IUCN (2021-01-26). "Scotopelia ussheri: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689038A180213988". IUCN Red List of Threatened Species. 2021-01-26. doi: 10.2305/iucn.uk.2021-3.rlts.t22689038a180213988.en.
  166. ^ a b c IUCN (2018-08-07). "Otus hartlaubi: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22688620A131460770". IUCN Red List of Threatened Species. 2018-08-07. doi: 10.2305/iucn.uk.2018-2.rlts.t22688620a131460770.en.
  167. ^ a b c IUCN (2016-10-01). "Otus thilohoffmanni: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22732040A95041044". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22732040a95041044.en.
  168. ^ a b c IUCN (2020-07-17). "Otus insularis: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22688667A177971497". IUCN Red List of Threatened Species. 2020-07-17. doi: 10.2305/IUCN.UK.2021-3.RLTS.T22688667A177971497.en.
  169. ^ a b c IUCN (2018-08-10). "Bubo shelleyi: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22688980A131104915". IUCN Red List of Threatened Species. 2018-08-10. doi: 10.2305/iucn.uk.2018-2.rlts.t22688980a131104915.en.
  170. ^ a b c IUCN (2021-06-17). "Asio flammeus: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689531A202226582". IUCN Red List of Threatened Species. 2021-06-17. doi: 10.2305/iucn.uk.2021-3.rlts.t22689531a202226582.en.
  171. ^ a b c IUCN (2018-08-18). "Otus siaoensis: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22728599A134199532". IUCN Red List of Threatened Species. 2018-08-18. doi: 10.2305/iucn.uk.2018-2.rlts.t22728599a134199532.en.
  172. ^ a b c IUCN (2021-07-23). "Bubo scandiacus: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689055A205475036". IUCN Red List of Threatened Species. 2021-07-23. doi: 10.2305/iucn.uk.2021-3.rlts.t22689055a205475036.en.
  173. ^ a b c IUCN (2016-10-01). "Otus ireneae: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22688565A93201000". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22688565a93201000.en.
  174. ^ a b c IUCN (2018-08-07). "Pulsatrix perspicillata: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22689180A130161018". IUCN Red List of Threatened Species. 2018-08-07. doi: 10.2305/iucn.uk.2018-2.rlts.t22689180a130161018.en.
  175. ^ a b c IUCN (2020-09-01). "Strix occidentalis: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22689089A180937862". IUCN Red List of Threatened Species. 2020-09-01. doi: 10.2305/iucn.uk.2020-3.rlts.t22689089a180937862.en.
  176. ^ a b c IUCN (2020-02-07). "Asio clamator: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22689522A167863611". IUCN Red List of Threatened Species. 2020-02-07. doi: 10.2305/iucn.uk.2021-3.rlts.t22689522a167863611.en.
  177. ^ a b c IUCN (2016-10-01). "Asio stygius: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689504A95214500". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22689504a95214500.en.
  178. ^ a b c IUCN (2023-03-13). "Otus sulaensis: BirdLife International: The IUCN Red List of Threatened Species 2023: e.T62290539A230014017". IUCN Red List of Threatened Species. 2023-03-13. doi: 10.2305/IUCN.UK.2023-1.RLTS.T62290539A230014017.en.
  179. ^ a b c IUCN (2016-10-01). "Ninox rudolfi: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689398A93229974". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22689398a93229974.en.
  180. ^ a b c IUCN (2016-10-01). "Tyto nigrobrunnea: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22688449A110038609". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2017-1.rlts.t22688449a110038609.en.
  181. ^ a b c IUCN (2019-08-06). "Glaucidium sanchezi: BirdLife International: The IUCN Red List of Threatened Species 2019: e.T22724465A156097322". IUCN Red List of Threatened Species. 2019-08-06. doi: 10.2305/iucn.uk.2019-3.rlts.t22724465a156097322.en.
  182. ^ a b c IUCN (2016-10-01). "Strix aluco: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22725469A86871093". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22725469a86871093.en.
  183. ^ a b c IUCN (2016-10-01). "Ninox burhani: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22732909A111289520". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2017-1.rlts.t22732909a111289520.en.
  184. ^ a b c IUCN (2016-10-01). "Aegolius ridgwayi: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22689371A93228935". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22689371a93228935.en.
  185. ^ a b c d IUCN (2016-10-01). "Bubo poensis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22730030A95023684". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2016-3.rlts.t22730030a95023684.en.
  186. ^ a b c IUCN (2016-10-01). "Otus sagittatus: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22688548A110219632". IUCN Red List of Threatened Species. 2016-10-01. doi: 10.2305/iucn.uk.2017-1.rlts.t22688548a110219632.en.
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