| Western Screech-owl Megascops kennicottii | LC | | Rock Eagle-owl Bubo bengalensis | LC | | Long-whiskered Owlet Xenoglaux loweryi | EN |
| Balsas Screech-owl Megascops seductus | NT | | Pharaoh Eagle-owl Bubo ascalaphus | LC | | Elf Owl Micrathene whitneyi | LC |
| Pacific Screech-owl Megascops cooperi | LC | | Cape Eagle-owl Bubo capensis | LC | | Little Owl Athene noctua | LC |
| Eastern Screech-owl Megascops asio | LC | | Spotted Eagle-owl Bubo africanus | LC | | Spotted Owlet Athene brama | LC |
| Whiskered Screech-owl Megascops trichopsis | LC | | Fraser’s Eagle-owl Bubo poensis | LC | | Burrowing Owl Athene cunicularia | LC |
| Tropical Screech-owl Megascops choliba | LC | | Usambara Eagle-owl Bubo vosseleri | VU | | Forest Owlet Heteroglaux blewitti | CR |
| Koepcke’s Screech-owl Megascops koepckeae | LC | | Spot-bellied Eagle-owl Bubo nipalensis | LC | | Boreal Owl Aegolius funereus | LC |
| West Peruvian Screech-owl Megascops roboratus | LC | | Barred Eagle-owl Bubo sumatranus | LC | | Northern Saw-whet Owl Aegolius acadicus | LC |
| Bare-shanked Screech-owl Megascops clarkii | LC | | Shelley’s Eagle-owl Bubo shelleyi | NT | | Southern Saw-whet Owl Aegolius ridgwayi | LC |
| Bearded Screech-owl Megascops barbarus | NT | | Giant Eagle-owl Bubo lacteus | LC | | Buff-fronted Owl Aegolius harrisii | LC |
| Rufescent Screech-owl Megascops ingens | LC | | Dusky Eagle-owl Bubo coromandus | LC | | Rufous Owl Ninox rufa | LC |
| Colombian Screech-owl Megascops colombianus | NT | | Akun Eagle-owl Bubo leucostictus | LC | | Powerful Owl Ninox strenua | LC |
| Cinnamon Screech-owl Megascops petersoni | LC | | Philippine Eagle-owl Bubo philippensis | VU | | Barking Owl Ninox connivens | LC |
| Cloud-forest Screech-owl Megascops marshalli | NT | | Blakiston’s Fish-owl Ketupa blakistoni | EN | | Sumba Boobook Ninox rudolfi | NT |
| Tawny-bellied Screech-owl Megascops watsonii | LC | | Brown Fish-owl Ketupa zeylonensis | LC | | Southern Boobook Ninox novaeseelandiae | LC |
| Black-capped Screech-owl Megascops atricapilla | LC | | Tawny Fish-owl Ketupa flavipes | LC | | Little Sumba Hawk-owl Ninox sumbaensis | NT |
| Vermiculated Screech-owl Megascops guatemalae | LC | | Buffy Fish-owl Ketupa ketupu | LC | | Brown Hawk-owl Ninox scutulata | LC |
| Montane Forest Screech-owl Megascops hoyi | LC | | Pel’s Fishing-owl Scotopelia peli | LC | | Andaman Hawk-owl Ninox affinis | NT |
| Long-tufted Screech-owl Megascops sanctaecatarinae | LC | | Rufous Fishing-owl Scotopelia ussheri | EN | | White-browed Hawk-owl Ninox superciliaris | LC |
| Puerto Rican Screech-owl Megascops nudipes | LC | | Vermiculated Fishing-owl Scotopelia bouvieri | LC | | Philippine Hawk-owl Ninox philippensis | LC |
| White-throated Screech-owl Megascops albogularis | LC | | Spotted Wood-owl Strix seloputo | LC | | Cinnabar Hawk-owl Ninox ios | VU |
| Reunion Owl Mascarenotus grucheti | EX | | Mottled Wood-owl Strix ocellata | LC | | Ochre-bellied Hawk-owl Ninox ochracea | NT |
| Rodrigues Owl Mascarenotus murivorus | EX | | Brown Wood-owl Strix leptogrammica | LC | | Togian Hawk-owl Ninox burhani | NT |
| Mauritius Owl Mascarenotus sauzieri | EX | | Tawny Owl Strix aluco | LC | | Moluccan Hawk-owl Ninox squamipila | LC |
| White-fronted Scops-owl Otus sagittatus | VU | | Hume’s Owl Strix butleri | LC | | Christmas Island Hawk-owl Ninox natalis | VU |
| Reddish Scops-owl Otus rufescens | NT | | Spotted Owl Strix occidentalis | NT | | Jungle Hawk-owl Ninox theomacha | LC |
| Sandy Scops-owl Otus icterorhynchus | LC | | Barred Owl Strix varia | LC | | Manus Hawk-owl Ninox meeki | LC |
| Sokoke Scops-owl Otus ireneae | EN | | Fulvous Owl Strix fulvescens | LC | | Speckled Hawk-owl Ninox punctulata | LC |
| Andaman Scops-owl Otus balli | NT | | Rusty-barred Owl Strix hylophila | NT | | Bismarck Hawk-owl Ninox variegata | LC |
| Mountain Scops-owl Otus spilocephalus | LC | | Rufous-legged Owl Strix rufipes | LC | | Russet Hawk-owl Ninox odiosa | VU |
| Serendib Scops-owl Otus thilohoffmanni | EN | | Chaco Owl Strix chacoensis | LC | | Solomons Hawk-owl Ninox jacquinoti | LC |
| Simeulue Scops-owl Otus umbra | NT | | Ural Owl Strix uralensis | LC | | Papuan Hawk-owl Uroglaux dimorpha | DD |
| Javan Scops-owl Otus angelinae | VU | | Great Grey Owl Strix nebulosa | LC | | Laughing Owl Sceloglaux albifacies | EX |
| Sulawesi Scops-owl Otus manadensis | LC | | African Wood-owl Strix woodfordii | LC | | Jamaican Owl Pseudoscops grammicus | LC |
| Sangihe Scops-owl Otus collari | LC | | Mottled Owl Strix virgata | LC | | Striped Owl Pseudoscops clamator | LC |
| Luzon Scops-owl Otus longicornis | NT | | Black-and-white Owl Strix nigrolineata | LC | | Fearful Owl Nesasio solomonensis | VU |
| Mindoro Scops-owl Otus mindorensis | NT | | Black-banded Owl Strix huhula | LC | | Stygian Owl Asio stygius | LC |
| Mindanao Scops-owl Otus mirus | NT | | Rufous-banded Owl Strix albitarsis | LC | | Long-eared Owl Asio otus | LC |
| Sao Tome Scops-owl Otus hartlaubi | VU | | Maned Owl Jubula lettii | DD | | Abyssinian Owl Asio abyssinicus | LC |
| Pallid Scops-owl Otus brucei | LC | | Crested Owl Lophostrix cristata | LC | | Madagascar Owl Asio madagascariensis | LC |
| Flammulated Owl Otus flammeolus | LC | | Spectacled Owl Pulsatrix perspicillata | LC | | Short-eared Owl Asio flammeus | LC |
| Common Scops-owl Otus scops | LC | | Band-bellied Owl Pulsatrix melanota | LC | | Marsh Owl Asio capensis | LC |
| African Scops-owl Otus senegalensis | LC | | Tawny-browed Owl Pulsatrix koeniswaldiana | LC | | Sooty Owl Tyto tenebricosa | LC |
| Oriental Scops-owl Otus sunia | LC | | Northern Hawk Owl Surnia ulula | LC | | Sulawesi Golden Owl Tyto inexspectata | VU |
| Nicobar Scops-owl Otus alius | DD | | Eurasian Pygmy-owl Glaucidium passerinum | LC | | Taliabu Masked-owl Tyto nigrobrunnea | EN |
| Elegant Scops-owl Otus elegans | NT | | Collared Owlet Glaucidium brodiei | LC | | Lesser Masked-owl Tyto sororcula | DD |
| Mantanani Scops-owl Otus mantananensis | NT | | Pearl-spotted Owlet Glaucidium perlatum | LC | | Manus Masked-owl Tyto manusi | VU |
| Moluccan Scops-owl Otus magicus | LC | | Northern Pygmy-owl Glaucidium gnoma | LC | | Bismarck Masked-owl Tyto aurantia | VU |
| Flores Scops-owl Otus alfredi | EN | | Andean Pygmy-owl Glaucidium jardinii | LC | | Australian Masked-owl Tyto novaehollandiae | LC |
| Siau Scops-owl Otus siaoensis | CR | | Costa Rican Pygmy-owl Glaucidium costaricanum | LC | | Sulawesi Owl Tyto rosenbergii | LC |
| Enggano Scops-owl Otus enganensis | NT | | Cloud-forest Pygmy-owl Glaucidium nubicola | VU | | Madagascar Red Owl Tyto soumagnei | VU |
| Seychelles Scops-owl Otus insularis | EN | | Yungas Pygmy-owl Glaucidium bolivianum | LC | | Barn Owl Tyto alba | LC |
| Biak Scops-owl Otus beccarii | EN | | Pernambuco Pygmy-owl Glaucidium mooreorum | CR | | Ashy-faced Owl Tyto glaucops | LC |
| Malagasy Scops-owl Otus rutilus | LC | | Amazonian Pygmy-owl Glaucidium hardyi | LC | | African Grass-owl Tyto capensis | LC |
| Pemba Scops-owl Otus pembaensis | VU | | Least Pygmy-owl Glaucidium minutissimum | LC | | Eastern Grass-owl Tyto longimembris | LC |
| Anjouan Scops-owl Otus capnodes | CR | | Central American Pygmy-owl Glaucidium griseiceps | LC | | Congo Bay-owl Phodilus prigoginei | EN |
| Mayotte Scops-owl Otus mayottensis | LC | | Tamaulipas Pygmy-owl Glaucidium sanchezi | LC | | Oriental Bay-owl Phodilus badius | LC |
| Moheli Scops-owl Otus moheliensis | CR | | Colima Pygmy-owl Glaucidium palmarum | LC | | | |
| Grand Comoro Scops-owl Otus pauliani | CR | | Subtropical Pygmy-owl Glaucidium parkeri | LC | | | |
| Rajah Scops-owl Otus brookii | LC | | Ferruginous Pygmy-owl Glaucidium brasilianum | LC | | | |
| Collared Scops-owl Otus bakkamoena | LC | | Peruvian Pygmy-owl Glaucidium peruanum | LC | | | |
| Mentawai Scops-owl Otus mentawi | NT | | Austral Pygmy-owl Glaucidium nanum | LC | | | |
| Palawan Scops-owl Otus fuliginosus | NT | | Cuban Pygmy-owl Glaucidium siju | LC | | | |
| Philippine Scops-owl Otus megalotis | LC | | Red-chested Owlet Glaucidium tephronotum | LC | | | |
| Wallace’s Scops-owl Otus silvicola | LC | | Sjostedt’s Owlet Glaucidium sjostedti | LC | | | |
| White-faced Scops-owl Otus leucotis | LC | | Asian Barred Owlet Glaucidium cuculoides | LC | | | |
| Palau Scops-owl Otus podarginus | LC | | Javan Owlet Glaucidium castanopterum | LC | | | |
| Bare-legged Owl Gymnoglaux lawrencii | LC | | Jungle Owlet Glaucidium radiatum | LC | | | |
| Giant Scops-owl Mimizuku gurneyi | VU | | Chestnut-backed Owlet Glaucidium castanonotum | NT | | | |
| Snowy Owl Bubo scandiaca | LC | | Chestnut Owlet Glaucidium castaneum | LC | | | |
| Great Horned Owl Bubo virginianus | LC | | African Barred Owlet Glaucidium capense | LC | | | |
| Eurasian Eagle-owl Bubo bubo | LC | | Albertine Owlet Glaucidium albertinum | VU | | | |