- Aceros cassidix (Knobbed Hornbill)
- Aceros comatus (White-crowned Hornbill)
- Aceros corrugatus (Wrinkled Hornbill)
- Aceros everetti (Sumba Hornbill)
- Aceros leucocephalus (Writhed Hornbill)
- Aceros narcondami (Narcondam Hornbill)
- Aceros nipalensis (Rufous-necked Hornbill)
- Aceros plicatus (Blyth’s Hornbill)
- Aceros plicatus harterti
- Aceros plicatus mendanae
- Aceros plicatus plicatus
- Aceros plicatus ruficollis
- Aceros subruficollis (Plain-pouched Hornbill)
- Aceros undulatus (Wreathed Hornbill)
- Aceros waldeni (Writhe-billed Hornbill)
- Actenoides bougainvillei (Moustached Kingfisher)
- Actenoides bougainvillei bougainvillei
- Actenoides concretus (Rufous-collared Kingfisher)
- Actenoides concretus borneanus
- Actenoides concretus concretus
- Actenoides hombroni (Blue-capped Kingfisher)
- Actenoides lindsayi (Spotted Kingfisher)
- Actenoides lindsayi lindsayi
- Actenoides lindsayi moseleyi
- Actenoides monachus (Green-backed Kingfisher)
- Actenoides monachus capucinus
- Actenoides monachus monachus
- Actenoides princeps (Scaly Kingfisher)
- Actenoides princeps princeps
- Actenoides princeps regalis
- Alcedo argentata (Silvery Kingfisher)
- Alcedo argentata argentata
- Alcedo argentata flumenicola
- Alcedo atthis (Common Kingfisher)
- Alcedo atthis atthis
- Alcedo atthis bengalensis
- Alcedo atthis floresiana
- Alcedo atthis hispidoides
- Alcedo atthis ispida
- Alcedo atthis solomonensis
- Alcedo atthis taprobana
- Alcedo azurea (Azure Kingfisher)
- Alcedo azurea affinis
- Alcedo azurea azurea
- Alcedo azurea diemenensis
- Alcedo azurea lessonii
- Alcedo azurea ochrogaster
- Alcedo azurea ruficollaris
- Alcedo coerulescens (Small Blue Kingfisher)
- Alcedo cristata (Malachite Kingfisher)
- Alcedo cristata cristata
- Alcedo cristata galerita
- Alcedo cristata robertsi
- Alcedo cristata thomensis
- Alcedo cyanopectus (Indigo-banded Kingfisher)
- Alcedo cyanopectus cyanopectus
- Alcedo cyanopectus nigrirostris
- Alcedo euryzona (Blue-banded Kingfisher)
- Alcedo euryzona euryzona
- Alcedo euryzona peninsulae
- Alcedo hercules (Blyth’s Kingfisher)
- Alcedo leucogaster (White-bellied Kingfisher)
- Alcedo leucogaster leopoldi
- Alcedo leucogaster leucogaster (batesi)
- Alcedo leucogaster nais
- Alcedo meninting (Blue-eared Kingfisher)
- Alcedo meninting meninting
- Alcedo meninting phillipsi
- Alcedo meninting rufigastra
- Alcedo meninting subviridis
- Alcedo meninting verreauxii
- Alcedo pusilla (Little Kingfisher)
- Alcedo pusilla aolae
- Alcedo pusilla bougainvillei
- Alcedo pusilla halli
- Alcedo pusilla laetior
- Alcedo pusilla pusilla
- Alcedo pusilla ramsayi
- Alcedo pusilla richardsi
- Alcedo quadribrachys (Shining-blue Kingfisher)
- Alcedo quadribrachys guentheri
- Alcedo quadribrachys quadribrachys
- Alcedo semitorquata (Half-collared Kingfisher)
- Alcedo semitorquata heuglini
- Alcedo semitorquata semitorquata
- Alcedo semitorquata tephria
- Alcedo vintsioides (Malagasy Kingfisher)
- Alcedo vintsioides johannae
- Alcedo vintsioides vintsioides
- Alcedo websteri (Bismarck Kingfisher)
- Anorrhinus austeni (Brown Hornbill)
- Anorrhinus galeritus (Bushy-crested Hornbill)
- Anorrhinus tickelli (Rusty-cheeked Hornbill)
- Anthracoceros albirostris (Oriental Pied-Hornbill)
- Anthracoceros albirostris albirostris
- Anthracoceros albirostris convexus
- Anthracoceros coronatus (Malabar Pied-Hornbill)
- Anthracoceros malayanus (Black Hornbill)
- Anthracoceros marchei (Palawan Hornbill)
- Anthracoceros montani (Sulu Hornbill)
- Aspatha gularis (Blue-throated Motmot)
- Atelornis crossleyi (Rufous-headed Ground-Roller)
- Atelornis pittoides (Pitta-like Ground-Roller)
- Baryphthengus martii (Rufous Motmot)
- Baryphthengus ruficapillus (Rufous-capped Motmot)
- Brachypteracias leptosomus (Short-legged Ground-Roller)
- Brachypteracias squamiger (Scaly Ground-Roller)
- Buceros bicornis (Great Hornbill)
- Buceros hydrocorax (Rufous Hornbill)
- Buceros hydrocorax hydrocorax
- Buceros hydrocorax mindanensis
- Buceros hydrocorax semigaleatus
- Buceros rhinoceros (Rhinoceros Hornbill)
- Buceros rhinoceros borneoensis
- Buceros rhinoceros rhinoceros
- Buceros rhinoceros silvestris
- Buceros vigil (Helmeted Hornbill)
- Bucorvus abyssinicus (Abyssinian Ground-Hornbill)
- Bucorvus leadbeateri (Southern Ground-Hornbill)
- Caridonax fulgidus (White-rumped Kingfisher)
- Ceratogymna albotibialis (White-thighed Hornbill)
- Ceratogymna atrata (Black-casqued Hornbill)
- Ceratogymna brevis (Silvery-cheeked Hornbill)
- Ceratogymna bucinator (Trumpeter Hornbill)
- Ceratogymna cylindrica (Brown-cheeked Hornbill)
- Ceratogymna elata (Yellow-casqued Hornbill)
- Ceratogymna fistulator (Piping Hornbill)
- Ceratogymna fistulator duboisi
- Ceratogymna fistulator fistulator
- Ceratogymna fistulator sharpii
- Ceratogymna subcylindrica (Black-and-white-casqued Hornbill)
- Ceratogymna subcylindrica subcylindrica
- Ceryle rudis (Pied Kingfisher)
- Ceryle rudis insignis
- Ceryle rudis leucomelanurus
- Ceryle rudis rudis
- Ceryle rudis travancoreensis
- Ceyx erithaca (Black-backed Kingfisher)
- Ceyx erithaca erithaca
- Ceyx fallax (Sulawesi Kingfisher)
- Ceyx fallax fallax
- Ceyx fallax sangirensis
- Ceyx lepidus (Variable Kingfisher)
- Ceyx lepidus dispar
- Ceyx lepidus lepidus
- Ceyx lepidus malaitae
- Ceyx lepidus margarethae
- Ceyx lepidus meeki
- Ceyx lepidus pallidus
- Ceyx lepidus solitarius
- Ceyx lepidus uropygialis
- Ceyx lepidus wallacii
- Ceyx melanurus (Philippine Kingfisher)
- Ceyx melanurus melanurus
- Ceyx melanurus mindanensis (platenae)
- Ceyx melanurus samarensis
- Ceyx rufidorsa (Rufous-backed Kingfisher)
- Chloroceryle aenea (American Pygmy Kingfisher)
- Chloroceryle aenea aenea
- Chloroceryle aenea stictoptera
- Chloroceryle amazona (Amazon Kingfisher)
- Chloroceryle americana (Green Kingfisher)
- Chloroceryle americana hachisukai
- Chloroceryle americana mathewsii
- Chloroceryle americana septentrionalis (isthmica)
- Chloroceryle inda (Green-and-rufous Kingfisher)
- Cittura cyanotis (Lilac Kingfisher)
- Cittura cyanotis cyanotis
- Cittura cyanotis sanghirensis
- Clytoceyx rex (Shovel-billed Kookaburra)
- Clytoceyx rex rex
- Coracias abyssinicus (Abyssinian Roller)
- Coracias benghalensis (Indian Roller)
- Coracias benghalensis affinis
- Coracias benghalensis benghalensis
- Coracias benghalensis indicus
- Coracias caudatus (Lilac-breasted Roller)
- Coracias caudatus caudatus
- Coracias caudatus lorti
- Coracias cyanogaster (Blue-bellied Roller)
- Coracias garrulus (European Roller)
- Coracias garrulus garrulus
- Coracias garrulus semenowi
- Coracias noevius (Rufous-crowned Roller)
- Coracias noevius noevius
- Coracias spatulatus (Racket-tailed Roller)
- Coracias temminckii (Purple-winged Roller)
- Dacelo gaudichaud (Rufous-bellied Kookaburra)
- Dacelo leachii (Blue-winged Kookaburra)
- Dacelo leachii cervina
- Dacelo leachii intermedia
- Dacelo leachii kempi
- Dacelo leachii leachii
- Dacelo leachii superflua
- Dacelo novaeguineae (Laughing Kookaburra)
- Dacelo novaeguineae minor
- Dacelo novaeguineae novaeguineae
- Dacelo tyro (Spangled Kookaburra)
- Dacelo tyro archboldi
- Dacelo tyro tyro
- Electron carinatum (Keel-billed Motmot)
- Electron platyrhynchum (Broad-billed Motmot)
- Electron platyrhynchum chlorophrys
- Electron platyrhynchum minus
- Electron platyrhynchum platyrhynchum
- Electron platyrhynchum pyrrholaemum
- Eumomota superciliosa (Turquoise-browed Motmot)
- Eumomota superciliosa apiaster
- Eumomota superciliosa australis
- Eumomota superciliosa superciliosa
- Eumomota superciliosa sylvestris
- Eumomota superciliosa vanrossemi
- Eurystomus azureus (Purple Roller)
- Eurystomus glaucurus (Broad-billed Roller)
- Eurystomus glaucurus aethiopicus
- Eurystomus glaucurus afer
- Eurystomus glaucurus glaucurus
- Eurystomus glaucurus suahelicus
- Eurystomus gularis (Blue-throated Roller)
- Eurystomus gularis gularis
- Eurystomus gularis neglectus
- Eurystomus orientalis (Dollarbird)
- Eurystomus orientalis abundus
- Eurystomus orientalis connectens
- Eurystomus orientalis crassirostris
- Eurystomus orientalis deignani
- Eurystomus orientalis gigas
- Eurystomus orientalis oberholseri
- Eurystomus orientalis orientalis
- Eurystomus orientalis pacificus
- Eurystomus orientalis solomonensis
- Halcyon albiventris (Brown-hooded Kingfisher)
- Halcyon albiventris albiventris
- Halcyon albiventris orientalis
- Halcyon albiventris prentissgrayi
- Halcyon albiventris vociferans
- Halcyon badia (Chocolate-backed Kingfisher)
- Halcyon badia badia
- Halcyon badia lopezi
- Halcyon chelicuti (Striped Kingfisher)
- Halcyon chelicuti chelicuti
- Halcyon chelicuti eremogiton
- Halcyon coromanda (Ruddy Kingfisher)
- Halcyon coromanda bangsi
- Halcyon coromanda claudiae
- Halcyon coromanda coromanda
- Halcyon coromanda minor
- Halcyon coromanda rufa
- Halcyon cyanoventris (Javan Kingfisher)
- Halcyon leucocephala (Gray-headed Kingfisher)
- Halcyon leucocephala acteon
- Halcyon leucocephala hyacinthina
- Halcyon leucocephala leucocephala
- Halcyon leucocephala pallidiventris
- Halcyon leucocephala semicaerulea
- Halcyon malimbica (Blue-breasted Kingfisher)
- Halcyon malimbica dryas
- Halcyon malimbica forbesi
- Halcyon malimbica malimbica
- Halcyon malimbica torquata
- Halcyon pileata (Black-capped Kingfisher)
- Halcyon senegalensis (Woodland Kingfisher)
- Halcyon senegalensis cyanoleuca
- Halcyon senegalensis senegalensis
- Halcyon senegaloides (Mangrove Kingfisher)
- Halcyon senegaloides ranivorus
- Halcyon senegaloides senegaloides
- Halcyon smyrnensis (White-throated Kingfisher)
- Halcyon smyrnensis fokiensis
- Halcyon smyrnensis fusca
- Halcyon smyrnensis gularis
- Halcyon smyrnensis perpulchra
- Halcyon smyrnensis saturatior
- Halcyon smyrnensis smyrnensis
- Hylomanes momotula (Tody Motmot)
- Hylomanes momotula chiapensis
- Hylomanes momotula momotula
- Hylomanes momotula obscurus
- Ispidina lecontei (Dwarf Kingfisher)
- Ispidina madagascariensis (Madagascar Pygmy-Kingfisher)
- Ispidina madagascariensis diluta
- Ispidina madagascariensis madagascariensis
- Ispidina picta (African Pygmy-Kingfisher)
- Ispidina picta ferruginea
- Ispidina picta natalensis
- Ispidina picta picta
- Lacedo pulchella (Banded Kingfisher)
- Lacedo pulchella amabilis
- Lacedo pulchella melanops
- Lacedo pulchella pulchella
- Leptosomus discolor (Cuckoo-Roller)
- Leptosomus discolor discolor
- Leptosomus discolor gracilis
- Leptosomus discolor intermedius
- Megaceryle alcyon (Belted Kingfisher)
- Megaceryle lugubris (Crested Kingfisher)
- Megaceryle lugubris continentalis
- Megaceryle lugubris lugubris
- Megaceryle lugubris pallidus
- Megaceryle maximus (Giant Kingfisher)
- Megaceryle maximus giganteus
- Megaceryle maximus maximus
- Megaceryle torquata (Ringed Kingfisher)
- Megaceryle torquata stellata
- Megaceryle torquata stictipennis
- Megaceryle torquata torquata
- Melidora macrorrhina (Hook-billed Kingfisher)
- Melidora macrorrhina jobiensis
- Melidora macrorrhina macrorrhina
- Melidora macrorrhina waigiuensis
- Meropogon forsteni (Purple-bearded Bee-eater)
- Merops albicollis (White-throated Bee-eater)
- Merops apiaster (European Bee-eater)
- Merops boehmi (Boehm’s Bee-eater)
- Merops breweri (Black-headed Bee-eater)
- Merops bullockoides (White-fronted Bee-eater)
- Merops bullockoides bullockoides
- Merops bulocki (Red-throated Bee-eater)
- Merops bulocki bulocki
- Merops bulocki frenatus
- Merops gularis (Black Bee-eater)
- Merops gularis australis
- Merops gularis gularis
- Merops hirundineus (Swallow-tailed Bee-eater)
- Merops hirundineus chrysolaimus
- Merops hirundineus furcatus
- Merops hirundineus heuglini
- Merops hirundineus hirundineus
- Merops leschenaulti (Chestnut-headed Bee-eater)
- Merops leschenaulti andamanensis
- Merops leschenaulti leschenaulti
- Merops leschenaulti quinticolor
- Merops malimbicus (Rosy Bee-eater)
- Merops muelleri (Blue-headed Bee-eater)
- Merops muelleri mentalis
- Merops muelleri muelleri
- Merops nubicoides (Southern Carmine Bee-eater)
- Merops nubicus (Northern Carmine Bee-eater)
- Merops oreobates (Cinnamon-chested Bee-eater)
- Merops orientalis (Green Bee-eater)
- Merops orientalis beludschicus
- Merops orientalis cleopatra
- Merops orientalis cyanophrys
- Merops orientalis ferrugeiceps
- Merops orientalis flavoviridis
- Merops orientalis orientalis
- Merops orientalis viridissimus
- Merops ornatus (Rainbow Bee-eater)
- Merops persicus (Blue-cheeked Bee-eater)
- Merops persicus chrysocercus
- Merops persicus persicus
- Merops philippinus (Blue-tailed Bee-eater)
- Merops pusillus (Little Bee-eater)
- Merops pusillus argutus
- Merops pusillus cyanostictus
- Merops pusillus meridionalis
- Merops pusillus ocularis
- Merops pusillus pusillus
- Merops revoilii (Somali Bee-eater)
- Merops superciliosus (Madagascar Bee-eater)
- Merops superciliosus alternans
- Merops superciliosus superciliosus
- Merops variegatus (Blue-breasted Bee-eater)
- Merops variegatus bangweoloensis
- Merops variegatus lafresnayii
- Merops variegatus loringi
- Merops variegatus variegatus
- Merops viridis (Blue-throated Bee-eater)
- Merops viridis americanus
- Merops viridis viridis
- Momotus mexicanus (Russet-crowned Motmot)
- Momotus mexicanus castaneiceps
- Momotus mexicanus mexicanus
- Momotus mexicanus saturatus
- Momotus mexicanus vanrossemi
- Momotus momota (Blue-crowned Motmot)
- Momotus momota [lessonii Group] (Blue-crowned Motmot (Lesson’s))
- Momotus momota [momota Group] (Blue-crowned Motmot (South American))
- Momotus momota [subrufescens Group] (Blue-crowned Motmot (Colombian))
- Momotus momota aequatorialis
- Momotus momota argenticinctus (Blue-crowned Motmot (argenticinctus))
- Momotus momota bahamensis (Blue-crowned Motmot (Trinidad))
- Momotus momota coeruliceps (Blue-crowned Motmot (Blue-crowned))
- Momotus momota conexus
- Momotus momota exiguus
- Momotus momota goldmani
- Momotus momota ignobilis
- Momotus momota lessonii
- Momotus momota microstephanus
- Momotus momota momota
- Momotus momota nattereri
- Momotus momota olivaresi
- Momotus momota osgoodi
- Momotus momota simplex
- Momotus momota subrufescens
- Nyctyornis amictus (Red-bearded Bee-eater)
- Nyctyornis athertoni (Blue-bearded Bee-eater)
- Nyctyornis athertoni athertoni
- Ocyceros birostris (Indian Gray Hornbill)
- Ocyceros gingalensis (Ceylon Gray Hornbill)
- Ocyceros griseus (Malabar Gray Hornbill)
- Pelargopsis amauroptera (Brown-winged Kingfisher)
- Pelargopsis capensis (Stork-billed Kingfisher)
- Pelargopsis capensis burmanica
- Pelargopsis capensis capensis
- Pelargopsis capensis gigantea (smithi)
- Pelargopsis capensis gouldi
- Pelargopsis capensis intermedia
- Pelargopsis capensis malaccensis
- Pelargopsis melanorhyncha (Black-billed Kingfisher)
- Pelargopsis melanorhyncha melanorhyncha
- Penelopides affinis (Mindanao Hornbill)
- Penelopides affinis affinis
- Penelopides affinis basilanicus
- Penelopides exarhatus (Sulawesi Hornbill)
- Penelopides exarhatus exarhatus
- Penelopides exarhatus sanfordi
- Penelopides manillae (Luzon Hornbill)
- Penelopides mindorensis (Mindoro Hornbill)
- Penelopides panini (Tarictic Hornbill)
- Penelopides panini panini
- Penelopides panini ticaensis
- Penelopides samarensis (Samar Hornbill)
- Phoeniculus bollei (White-headed Woodhoopoe)
- Phoeniculus bollei bollei
- Phoeniculus bollei jacksoni
- Phoeniculus castaneiceps (Forest Woodhoopoe)
- Phoeniculus castaneiceps brunneiceps
- Phoeniculus castaneiceps castaneiceps
- Phoeniculus damarensis (Violet Woodhoopoe)
- Phoeniculus damarensis damarensis
- Phoeniculus damarensis granti
- Phoeniculus purpureus (Green Woodhoopoe)
- Phoeniculus purpureus angolensis
- Phoeniculus purpureus guineensis
- Phoeniculus purpureus marwitzi
- Phoeniculus purpureus niloticus
- Phoeniculus purpureus purpureus (erythrorhynchos)
- Phoeniculus purpureus senegalensis
- Phoeniculus somaliensis (Black-billed Woodhoopoe)
- Phoeniculus somaliensis abyssinicus
- Phoeniculus somaliensis neglectus
- Phoeniculus somaliensis somaliensis
- Rhinopomastus aterrimus (Black Scimitar-bill)
- Rhinopomastus aterrimus anchietae
- Rhinopomastus aterrimus aterrimus
- Rhinopomastus aterrimus emini
- Rhinopomastus aterrimus notatus
- Rhinopomastus cyanomelas (Common Scimitar-bill)
- Rhinopomastus cyanomelas cyanomelas
- Rhinopomastus cyanomelas schalowi (intermedius)
- Rhinopomastus minor (Abyssinian Scimitar-bill)
- Rhinopomastus minor cabanisi
- Rhinopomastus minor minor
- Syma megarhyncha (Mountain Kingfisher)
- Syma megarhyncha megarhyncha
- Syma megarhyncha wellsi
- Syma torotoro (Yellow-billed Kingfisher)
- Syma torotoro flavirostris
- Syma torotoro ochracea
- Tanysiptera carolinae (Numfor Paradise-Kingfisher)
- Tanysiptera danae (Brown-headed Paradise-Kingfisher)
- Tanysiptera ellioti (Kofiau Paradise-Kingfisher)
- Tanysiptera galatea (Common Paradise-Kingfisher)
- Tanysiptera galatea boanensis
- Tanysiptera galatea emiliae
- Tanysiptera galatea galatea
- Tanysiptera galatea margarethae
- Tanysiptera galatea meyeri
- Tanysiptera galatea minor
- Tanysiptera galatea nais
- Tanysiptera galatea vulcani
- Tanysiptera hydrocharis (Little Paradise-Kingfisher)
- Tanysiptera nympha (Red-breasted Paradise-Kingfisher)
- Tanysiptera riedelii (Biak Paradise-Kingfisher)
- Tanysiptera sylvia (Buff-breasted Paradise-Kingfisher)
- Tanysiptera sylvia leucura
- Tanysiptera sylvia nigriceps
- Tanysiptera sylvia sylvia
- Tockus albocristatus (White-crested Hornbill)
- Tockus albocristatus albocristatus
- Tockus albocristatus cassini
- Tockus albocristatus macrourus
- Tockus alboterminatus (Crowned Hornbill)
- Tockus bradfieldi (Bradfield’s Hornbill)
- Tockus camurus (Red-billed Dwarf Hornbill)
- Tockus deckeni (Von der Decken’s Hornbill)
- Tockus erythrorhynchus (Red-billed Hornbill)
- Tockus erythrorhynchus damarensis
- Tockus erythrorhynchus erythrorhynchus
- Tockus erythrorhynchus kempi
- Tockus erythrorhynchus rufirostris
- Tockus fasciatus (African Pied Hornbill)
- Tockus fasciatus fasciatus
- Tockus fasciatus semifasciatus
- Tockus flavirostris (Eastern Yellow-billed Hornbill)
- Tockus hartlaubi (Black Dwarf Hornbill)
- Tockus hartlaubi granti
- Tockus hartlaubi hartlaubi
- Tockus hemprichii (Hemprich’s Hornbill)