- Caprimulgus clarus (Slender-tailed Nightjar)
- Caprimulgus climacurus (Long-tailed Nightjar)
- Caprimulgus concretus (Bonaparte’s Nightjar)
- Caprimulgus cubanensis (Greater Antillean Nightjar)
- Caprimulgus donaldsoni (Donaldson-Smith’s Nightjar)
- Caprimulgus enarratus (Collared Nightjar)
- Caprimulgus europaeus (Eurasian Nightjar)
- Caprimulgus eximius (Golden Nightjar)
- Caprimulgus fossii (Square-tailed Nightjar)
- Caprimulgus fraenatus (Sombre Nightjar)
- Caprimulgus heterurus (Todd’s Nightjar)
- Caprimulgus hirundinaceus (Pygmy Nightjar)
- Caprimulgus indicus (Gray Nightjar)
- Caprimulgus inornatus (Plain Nightjar)
- Caprimulgus longirostris (Band-winged Nightjar)
- Caprimulgus macrurus (Large-tailed Nightjar)
- Caprimulgus maculicaudus (Spot-tailed Nightjar)
- Caprimulgus maculosus (Cayenne Nightjar)
- Caprimulgus madagascariensis (Madagascar Nightjar)
- Caprimulgus mahrattensis (Sykes’s Nightjar)
- Caprimulgus manillensis (Philippine Nightjar)
- Caprimulgus meesi (Mees’s Nightjar)
- Caprimulgus natalensis (Swamp Nightjar)
- Caprimulgus nigrescens (Blackish Nightjar)
- Caprimulgus nigriscapularis (Black-shouldered Nightjar)
- Caprimulgus noctitherus (Puerto Rican Nightjar)
- Caprimulgus nubicus (Nubian Nightjar)
- Caprimulgus parvulus (Little Nightjar)
- Caprimulgus pectoralis (Fiery-necked Nightjar)
- Caprimulgus poliocephalus (Abyssinian Nightjar)
- Caprimulgus prigoginei (Itombwe Nightjar)
- Caprimulgus pulchellus (Salvadori’s Nightjar)
- Caprimulgus ridgwayi (Buff-collared Nightjar)
- Caprimulgus ruficollis (Red-necked Nightjar)
- Caprimulgus rufigena (Rufous-cheeked Nightjar)
- Caprimulgus rufus (Rufous Nightjar)
- Caprimulgus ruwenzorii (Montane Nightjar)
- Caprimulgus salvini (Tawny-collared Nightjar)
- Caprimulgus saturatus (Dusky Nightjar)
- Caprimulgus sericocaudatus (Silky-tailed Nightjar)
- Caprimulgus solala (Nechisar Nightjar)
- Caprimulgus stellatus (Star-spotted Nightjar)
- Caprimulgus tristigma (Freckled Nightjar)
- Caprimulgus vociferus (Whip-poor-will)
- Caprimulgus whitelyi (Roraiman Nightjar)
- Capsiempis flaveola (Yellow Tyrannulet)
- Caracara cheriway (Crested Caracara)
- Caracara plancus (Southern Caracara)
- Cardellina rubrifrons (Red-faced Warbler)
- Cardinalis cardinalis (Northern Cardinal)
- Cardinalis phoeniceus (Vermilion Cardinal)
- Cardinalis sinuatus (Pyrrhuloxia)
- Carduelis ambigua (Black-headed Greenfinch)
- Carduelis ankoberensis (Ankober Serin)
- Carduelis atrata (Black Siskin)
- Carduelis atriceps (Black-capped Siskin)
- Carduelis barbata (Black-chinned Siskin)
- Carduelis cannabina (Eurasian Linnet)
- Carduelis carduelis (European Goldfinch)
- Carduelis chloris (European Greenfinch)
- Carduelis crassirostris (Thick-billed Siskin)
- Carduelis cucullata (Red Siskin)
- Carduelis dominicensis (Antillean Siskin)
- Carduelis flammea (Common Redpoll)
- Carduelis flavirostris (Twite)
- Carduelis hornemanni (Hoary Redpoll)
- Carduelis johannis (Warsangli Linnet)
- Carduelis lawrencei (Lawrence’s Goldfinch)
- Carduelis magellanica (Hooded Siskin)
- Carduelis monguilloti (Vietnamese Greenfinch)
- Carduelis notata (Black-headed Siskin)
- Carduelis olivacea (Olivaceous Siskin)
- Carduelis pinus (Pine Siskin)
- Carduelis psaltria (Lesser Goldfinch)
- Carduelis siemiradzkii (Saffron Siskin)
- Carduelis sinica (Oriental Greenfinch)
- Carduelis spinescens (Andean Siskin)
- Carduelis spinoides (Yellow-breasted Greenfinch)
- Carduelis spinus (Eurasian Siskin)
- Carduelis tristis (American Goldfinch)
- Carduelis uropygialis (Yellow-rumped Siskin)
- Carduelis xanthogastra (Yellow-bellied Siskin)
- Carduelis yarrellii (Yellow-faced Siskin)
- Carduelis yemenensis (Yemen Linnet)
- Cariama cristata (Red-legged Seriema)
- Caridonax fulgidus (White-rumped Kingfisher)
- Carpococcyx radiatus (Bornean Ground-Cuckoo)
- Carpococcyx renauldi (Coral-billed Ground-Cuckoo)
- Carpococcyx viridis (Sumatran Ground-Cuckoo)
- Carpodacus cassinii (Cassin’s Finch)
- Carpodacus edwardsii (Dark-rumped Rosefinch)
- Carpodacus eos (Pink-rumped Rosefinch)
- Carpodacus erythrinus (Common Rosefinch)
- Carpodacus mexicanus (House Finch)
- Carpodacus nipalensis (Dark-breasted Rosefinch)
- Carpodacus pulcherrimus (Beautiful Rosefinch)
- Carpodacus puniceus (Red-fronted Rosefinch)
- Carpodacus purpureus (Purple Finch)
- Carpodacus rhodochlamys (Red-mantled Rosefinch)
- Carpodacus rhodopeplus (Spot-winged Rosefinch)
- Carpodacus roborowskii (Tibetan Rosefinch)
- Carpodacus rodochroa (Pink-browed Rosefinch)
- Carpodacus roseus (Pallas’s Rosefinch)
- Carpodacus rubescens (Blanford’s Rosefinch)
- Carpodacus rubicilla (Great Rosefinch)
- Carpodacus rubicilloides (Streaked Rosefinch)
- Carpodacus synoicus (Pale Rosefinch)
- Carpodacus thura (White-browed Rosefinch)
- Carpodacus trifasciatus (Three-banded Rosefinch)
- Carpodacus vinaceus (Vinaceous Rosefinch)
- Carpodectes antoniae (Yellow-billed Cotinga)
- Carpodectes hopkei (Black-tipped Cotinga)
- Carpodectes nitidus (Snowy Cotinga)
- Carpornis cucullata (Hooded Berryeater)
- Carpornis melanocephala (Black-headed Berryeater)
- Carpospiza brachydactyla (Pale Rockfinch)
- Caryothraustes canadensis (Yellow-green Grosbeak)
- Caryothraustes poliogaster (Black-faced Grosbeak)
- Casiornis fuscus (Ash-throated Casiornis)
- Casiornis rufus (Rufous Casiornis)
- Casuarius bennetti (Dwarf Cassowary)
- Casuarius casuarius (Southern Cassowary)
- Casuarius unappendiculatus (Northern Cassowary)
- Catamblyrhynchus diadema (Plush-capped Finch)
- Catamenia analis (Band-tailed Seedeater)
- Catamenia homochroa (Paramo Seedeater)
- Catamenia inornata (Plain-colored Seedeater)
- Cataponera turdoides (Sulawesi Thrush)
- Catharopeza bishopi (Whistling Warbler)
- Cathartes aura (Turkey Vulture)
- Cathartes burrovianus (Lesser Yellow-headed Vulture)
- Cathartes melambrotus (Greater Yellow-headed Vulture)
- Catharus aurantiirostris (Orange-billed Nightingale-Thrush)
- Catharus bicknelli (Bicknell’s Thrush)
- Catharus dryas (Spotted Nightingale-Thrush)
- Catharus frantzii (Ruddy-capped Nightingale-Thrush)
- Catharus fuscater (Slaty-backed Nightingale-Thrush)
- Catharus fuscescens (Veery)
- Catharus gracilirostris (Black-billed Nightingale-Thrush)
- Catharus guttatus (Hermit Thrush)
- Catharus mexicanus (Black-headed Nightingale-Thrush)
- Catharus minimus (Gray-cheeked Thrush)
- Catharus occidentalis (Russet Nightingale-Thrush)
- Catharus ustulatus (Swainson’s Thrush)
- Catherpes mexicanus (Canyon Wren)
- Catreus wallichi (Cheer Pheasant)
- Cecropis abyssinica (Lesser Striped-Swallow)
- Cecropis badia (Rufous-bellied Swallow)
- Cecropis cucullata (Greater Striped-Swallow)
- Cecropis daurica (Red-rumped Swallow)
- Cecropis semirufa (Rufous-chested Swallow)
- Cecropis senegalensis (Mosque Swallow)
- Cecropis striolata (Striated Swallow)
- Celeus brachyurus (Rufous Woodpecker)
- Celeus castaneus (Chestnut-colored Woodpecker)
- Celeus elegans (Chestnut Woodpecker)
- Celeus flavescens (Blond-crested Woodpecker)
- Celeus flavus (Cream-colored Woodpecker)
- Celeus grammicus (Scaly-breasted Woodpecker)
- Celeus loricatus (Cinnamon Woodpecker)
- Celeus lugubris (Pale-crested Woodpecker)
- Celeus obrieni (Kaempfer’s Woodpecker)
- Celeus spectabilis (Rufous-headed Woodpecker)
- Celeus torquatus (Ringed Woodpecker)
- Celeus undatus (Waved Woodpecker)
- Centrocercus minimus (Gunnison Sage-Grouse)
- Centrocercus urophasianus (Greater Sage-Grouse)
- Centropus andamanensis (Andaman Coucal)
- Centropus anselli (Gabon Coucal)
- Centropus ateralbus (Pied Coucal)
- Centropus bengalensis (Lesser Coucal)
- Centropus bernsteini (Lesser Black Coucal)
- Centropus celebensis (Bay Coucal)
- Centropus chalybeus (Biak Coucal)
- Centropus chlororhynchus (Green-billed Coucal)
- Centropus cupreicaudus (Coppery-tailed Coucal)
- Centropus goliath (Goliath Coucal)
- Centropus grillii (Black Coucal)
- Centropus leucogaster (Black-throated Coucal)
- Centropus melanops (Black-faced Coucal)
- Centropus menbeki (Greater Black Coucal)
- Centropus milo (Buff-headed Coucal)
- Centropus monachus (Blue-headed Coucal)
- Centropus nigrorufus (Sunda Coucal)
- Centropus phasianinus (Pheasant Coucal)
- Centropus rectunguis (Short-toed Coucal)
- Centropus senegalensis (Senegal Coucal)
- Centropus sinensis (Greater Coucal)
- Centropus spilopterus (Kai Coucal)
- Centropus steerii (Black-hooded Coucal)
- Centropus superciliosus (White-browed Coucal)
- Centropus toulou (Madagascar Coucal)
- Centropus unirufus (Rufous Coucal)
- Centropus violaceus (Violaceous Coucal)
- Centropus viridis (Philippine Coucal)
- Cephalopterus glabricollis (Bare-necked Umbrellabird)
- Cephalopterus ornatus (Amazonian Umbrellabird)
- Cephalopterus penduliger (Long-wattled Umbrellabird)
- Cephalopyrus flammiceps (Fire-capped Tit)
- Cepphus carbo (Spectacled Guillemot)
- Cepphus columba (Pigeon Guillemot)
- Cepphus grylle (Black Guillemot)
- 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 subcylindrica (Black-and-white-casqued Hornbill)
- Cercibis oxycerca (Sharp-tailed Ibis)
- Cercococcyx mechowi (Dusky Long-tailed Cuckoo)
- Cercococcyx montanus (Barred Long-tailed Cuckoo)
- Cercococcyx olivinus (Olive Long-tailed Cuckoo)
- Cercomacra brasiliana (Rio de Janeiro Antbird)
- Cercomacra carbonaria (Rio Branco Antbird)
- Cercomacra cinerascens (Gray Antbird)
- Cercomacra ferdinandi (Bananal Antbird)
- Cercomacra laeta (Willis’s Antbird)
- Cercomacra manu (Manu Antbird)
- Cercomacra melanaria (Mato Grosso Antbird)
- Cercomacra nigrescens (Blackish Antbird)
- Cercomacra nigricans (Jet Antbird)
- Cercomacra parkeri (Parker’s Antbird)
- Cercomacra serva (Black Antbird)
- Cercomacra tyrannina (Dusky Antbird)
- Cercomela dubia (Sombre Chat)
- Cercomela familiaris (Familiar Chat)
- Cercomela fusca (Indian Chat)
- Cercomela melanura (Blackstart)
- Cercomela schlegelii (Karoo Chat)
- Cercomela scotocerca (Brown-tailed Chat)
- Cercomela sinuata (Sicklewing Chat)
- Cercomela sordida (Moorland Chat)
- Cercomela tractrac (Tractrac Chat)
- Cercotrichas barbata (Miombo Scrub-Robin)
- Cercotrichas coryphaeus (Karoo Scrub-Robin)
- Cercotrichas galactotes (Rufous-tailed Scrub-Robin)
- Cercotrichas hartlaubi (Brown-backed Scrub-Robin)
- Cercotrichas leucophrys (Red-backed Scrub-Robin)
- Cercotrichas leucosticta (Forest Scrub-Robin)
- Cercotrichas minor (African Scrub-Robin)
- Cercotrichas paena (Kalahari Scrub-Robin)
- Cercotrichas podobe (Black Scrub-Robin)
- Cercotrichas quadrivirgata (Bearded Scrub-Robin)
- Cercotrichas signata (Brown Scrub-Robin)
- Cereopsis novaehollandiae (Cape Barren Goose)
- Cerorhinca monocerata (Rhinoceros Auklet)
- Certhia americana (Brown Creeper)
- Certhia brachydactyla (Short-toed Treecreeper)
- Certhia discolor (Brown-throated Treecreeper)
- Certhia familiaris (Eurasian Treecreeper)
- Certhia himalayana (Bar-tailed Treecreeper)
- Certhia nipalensis (Rusty-flanked Treecreeper)
- Certhia tianquanensis (Sichuan Treecreeper)
- Certhiaxis cinnamomeus (Yellow-chinned Spinetail)
- Certhiaxis mustelinus (Red-and-white Spinetail)
- Certhidea olivacea (Warbler Finch)
- Certhilauda benguelensis (Benguela Lark)
- Certhilauda brevirostris (Algulhas Lark)
- Certhilauda chuana (Short-clawed Lark)
- Certhilauda curvirostris (Cape Lark)
- Certhilauda semitorquata (Eastern Long-billed Lark)
- Certhilauda subcoronata (Karoo Long-billed Lark)
- Certhionyx niger (Black Honeyeater)
- Certhionyx pectoralis (Banded Honeyeater)
- Certhionyx variegatus (Pied Honeyeater)
- Ceryle rudis (Pied Kingfisher)
- Cettia acanthizoides (Yellowish-bellied Bush-Warbler)
- Cettia annae (Palau Bush-Warbler)
- Cettia brunnifrons (Gray-sided Bush-Warbler)
- Cettia canturians (Manchurian Bush-Warbler)
- Cettia carolinae (Tanimbar Bush-Warbler)
- Cettia cetti (Cetti’s Warbler)
- Cettia diphone (Japanese Bush-Warbler)
- Cettia flavolivacea (Aberrant Bush-Warbler)
- Cettia fortipes (Brownish-flanked Bush-Warbler)
- Cettia haddeni (Odedi)
- Cettia major (Chestnut-crowned Bush-Warbler)
- Cettia pallidipes (Pale-footed Bush-Warbler)
- Cettia parens (Shade Warbler)
- Cettia ruficapilla (Fiji Bush-Warbler)
- Cettia seebohmi (Philippine Bush-Warbler)
- Cettia vulcania (Sunda Bush-Warbler)
- Ceuthmochares aereus (Yellowbill)
- Ceyx erithaca (Black-backed Kingfisher)
- Ceyx fallax (Sulawesi Kingfisher)
- Ceyx lepidus (Variable Kingfisher)
- Ceyx melanurus (Philippine Kingfisher)
- Ceyx rufidorsa (Rufous-backed Kingfisher)
- Chaetocercus astreans (Santa Marta Woodstar)
- Chaetocercus berlepschi (Esmeraldas Woodstar)
- Chaetocercus bombus (Little Woodstar)
- Chaetocercus heliodor (Gorgeted Woodstar)
- Chaetocercus jourdanii (Rufous-shafted Woodstar)
- Chaetocercus mulsant (White-bellied Woodstar)
- Chaetops aurantius (Orange-breasted Rockjumper)
- Chaetops frenatus (Rufous Rockjumper)
- Chaetops pycnopygius (Damara Rockjumper)
- Chaetorhynchus papuensis (Papuan Drongo)
- Chaetornis striata (Bristled Grassbird)
- Chaetura andrei (Ashy-tailed Swift)
- Chaetura brachyura (Short-tailed Swift)
- Chaetura chapmani (Chapman’s Swift)
- Chaetura cinereiventris (Gray-rumped Swift)
- Chaetura egregia (Pale-rumped Swift)
- Chaetura fumosa (Costa Rican Swift)
- Chaetura martinica (Lesser Antillean Swift)
- Chaetura meridionalis (Sick’s Swift)
- Chaetura pelagica (Chimney Swift)
- Chaetura spinicaudus (Band-rumped Swift)
- Chaetura vauxi (Vaux’s Swift)
- Chaetura viridipennis (Amazonian Swift)
- Chaimarrornis leucocephalus (White-capped Redstart)
- Chalcomitra adelberti (Buff-throated Sunbird)
- Chalcomitra amethystina (Amethyst Sunbird)
- Chalcomitra balfouri (Socotra Sunbird)
- Chalcomitra fuliginosa (Carmelite Sunbird)
- Chalcomitra hunteri (Hunter’s Sunbird)
- Chalcomitra rubescens (Green-throated Sunbird)
- Chalcomitra senegalensis (Scarlet-chested Sunbird)
- Chalcoparia singalensis (Ruby-cheeked Sunbird)
- Chalcophaps indica (Emerald Dove)
- Chalcophaps stephani (Stephan’s Dove)
- Chalcopsitta atra (Black Lory)
- Chalcopsitta cardinalis (Cardinal Lory)
- Chalcopsitta duivenbodei (Brown Lory)
- Chalcopsitta sintillata (Yellow-streaked Lory)
- Chalcostigma herrani (Rainbow-bearded Thornbill)
- Chalcostigma heteropogon (Bronze-tailed Thornbill)
- Chalcostigma olivaceum (Olivaceous Thornbill)
- Chalcostigma ruficeps (Rufous-capped Thornbill)
- Chalcostigma stanleyi (Blue-mantled Thornbill)
- Chalybura buffonii (White-vented Plumeleteer)
- Chalybura urochrysia (Bronze-tailed Plumeleteer)
- Chamaea fasciata (Wrentit)
- Chamaepetes goudotii (Sickle-winged Guan)
- Chamaepetes unicolor (Black Guan)
- Chamaeza campanisona (Short-tailed Antthrush)
- Chamaeza meruloides (Such’s Antthrush)
- Chamaeza mollissima (Barred Antthrush)
- Chamaeza nobilis (Striated Antthrush)
- Chamaeza ruficauda (Brazilian Antthrush)
- Chamaeza turdina (Schwartz’s Antthrush)
- Charadrius alexandrinus (Snowy Plover)
- Charadrius alticola (Puna Plover)
- Charadrius asiaticus (Caspian Plover)
- Charadrius bicinctus (Double-banded Plover)
- Charadrius collaris (Collared Plover)
- Charadrius dubius (Little Ringed Plover)
- Charadrius falklandicus (Two-banded Plover)
- Charadrius forbesi (Forbes’s Plover)
- Charadrius hiaticula (Common Ringed Plover)
- Charadrius javanicus (Javan Plover)
- Charadrius leschenaultii (Greater Sandplover)
- Charadrius marginatus (White-fronted Plover)
- Charadrius melodus (Piping Plover)
- Charadrius modestus (Rufous-chested Dotterel)
- Charadrius mongolus (Lesser Sandplover)
- Charadrius montanus (Mountain Plover)
- Charadrius morinellus (Eurasian Dotterel)
- Charadrius obscurus (Red-breasted Dotterel)
- Charadrius pallidus (Chestnut-banded Plover)
- Charadrius pecuarius (Kittlitz’s Plover)
- Charadrius peronii (Malaysian Plover)
- Charadrius placidus (Long-billed Plover)
- Charadrius ruficapillus (Red-capped Plover)
- Charadrius sanctaehelenae (St. Helena Plover)
- Charadrius semipalmatus (Semipalmated Plover)
- Charadrius thoracicus (Madagascar Plover)
- Charadrius tricollaris (Three-banded Plover)
- Charadrius veredus (Oriental Plover)
- Charadrius vociferus (Killdeer)
- Charadrius wilsonia (Wilson’s Plover)
- Charitospiza eucosma (Coal-crested Finch)
- Charmosyna amabilis (Red-throated Lorikeet)
- Charmosyna josefinae (Josephine’s Lorikeet)
- Charmosyna margarethae (Duchess Lorikeet)
- Charmosyna meeki (Meek’s Lorikeet)
- Charmosyna multistriata (Striated Lorikeet)
- Charmosyna palmarum (Palm Lorikeet)
- Charmosyna papou (Papuan Lorikeet)
- Charmosyna placentis (Red-flanked Lorikeet)
- Charmosyna pulchella (Fairy Lorikeet)
- Charmosyna rubrigularis (Red-chinned Lorikeet)
- Charmosyna rubronotata (Red-fronted Lorikeet)
- Charmosyna toxopei (Blue-fronted Lorikeet)
- Charmosyna wilhelminae (Pygmy Lorikeet)
- Chasiempis sandwichensis (Elepaio)
- Chauna chavaria (Northern Screamer)
- Chauna torquata (Southern Screamer)
- Chelictinia riocourii (Scissor-tailed Kite)
- Chelidoptera tenebrosa (Swallow-wing)
- Chen caerulescens (Snow Goose)
- Chen canagica (Emperor Goose)
- Chen rossii (Ross’s Goose)
- Chenonetta jubata (Maned Duck)
- Cheramoeca leucosterna (White-backed Swallow)
- Chersomanes albofasciata (Spike-heeled Lark)
- Chersomanes beesleyi (Beesley’s Lark)
- Chersophilus duponti (Dupont’s Lark)
- Chionis albus (Snowy Sheathbill)
- Chionis minor (Black-faced Sheathbill)
- Chiroxiphia boliviana (Yungas Manakin)
- Chiroxiphia caudata (Swallow-tailed Manakin)
- Chiroxiphia lanceolata (Lance-tailed Manakin)
- Chiroxiphia linearis (Long-tailed Manakin)
- Chiroxiphia pareola (Blue-backed Manakin)
- Chlamydera cerviniventris (Fawn-breasted Bowerbird)
- Chlamydera guttata (Western Bowerbird)
- Chlamydera lauterbachi (Yellow-breasted Bowerbird)
- Chlamydera maculata (Spotted Bowerbird)
- Chlamydera nuchalis (Great Bowerbird)
- Chlamydochaera jefferyi (Fruit-hunter)
- Chlamydotis macqueenii (Macqueen’s Bustard)
- Chlamydotis undulata (Houbara Bustard)
- Chlidonias albostriatus (Black-fronted Tern)
- Chlidonias hybrida (Whiskered Tern)
- Chlidonias leucopterus (White-winged Tern)
- Chlidonias niger (Black Tern)
- Chloebia gouldiae (Gouldian Finch)
- Chloephaga hybrida (Kelp Goose)
- Chloephaga melanoptera (Andean Goose)
- Chloephaga picta (Upland Goose)
- Chloephaga poliocephala (Ashy-headed Goose)
- Chloephaga rubidiceps (Ruddy-headed Goose)
- Chlorestes notata (Blue-chinned Sapphire)
- Chloroceryle aenea (American Pygmy Kingfisher)
- Chloroceryle amazona (Amazon Kingfisher)
- Chloroceryle americana (Green Kingfisher)
- Chloroceryle inda (Green-and-rufous Kingfisher)
- Chlorocharis emiliae (Mountain Black-eye)
- Chlorochrysa calliparaea (Orange-eared Tanager)
- Chlorochrysa nitidissima (Multicolored Tanager)
- Chlorochrysa phoenicotis (Glistening-green Tanager)
- Chlorocichla falkensteini (Yellow-necked Greenbul)
- Chlorocichla flavicollis (Yellow-throated Greenbul)
- Chlorocichla flaviventris (Yellow-bellied Greenbul)
- Chlorocichla laetissima (Joyful Greenbul)
- Chlorocichla prigoginei (Prigogine’s Greenbul)
- Chlorocichla simplex (Simple Greenbul)
- Chloropeta gracilirostris (Papyrus Yellow Warbler)
- Chloropeta natalensis (African Yellow Warbler)
- Chloropeta similis (Mountain Yellow Warbler)
- Chlorophanes spiza (Green Honeycreeper)
- Chlorophonia callophrys (Golden-browed Chlorophonia)
- Chlorophonia cyanea (Blue-naped Chlorophonia)
- Chlorophonia flavirostris (Yellow-collared Chlorophonia)
- Chlorophonia occipitalis (Blue-crowned Chlorophonia)
- Chlorophonia pyrrhophrys (Chestnut-breasted Chlorophonia)
- Chloropsis aurifrons (Golden-fronted Leafbird)
- Chloropsis cochinchinensis (Blue-winged Leafbird)
- Chloropsis cyanopogon (Lesser Green Leafbird)
- Chloropsis flavipennis (Philippine Leafbird)
- Chloropsis hardwickii (Orange-bellied Leafbird)
- Chloropsis palawanensis (Yellow-throated Leafbird)
- Chloropsis sonnerati (Greater Green Leafbird)
- Chloropsis venusta (Blue-masked Leafbird)
- Chlorornis riefferii (Grass-green Tanager)
- Chlorospingus canigularis (Ashy-throated Bush-Tanager)
- Chlorospingus flavigularis (Yellow-throated Bush-Tanager)
- Chlorospingus flavovirens (Yellow-green Bush-Tanager)
- Chlorospingus inornatus (Pirre Bush-Tanager)
- Chlorospingus ophthalmicus (Common Bush-Tanager)
- Chlorospingus parvirostris (Short-billed Bush-Tanager)
- Chlorospingus pileatus (Sooty-capped Bush-Tanager)
- Chlorospingus semifuscus (Dusky Bush-Tanager)
- Chlorospingus tacarcunae (Tacarcuna Bush-Tanager)
- Chlorostilbon alice (Green-tailed Emerald)
- Chlorostilbon assimilis (Garden Emerald)
- Chlorostilbon aureoventris (Glittering-bellied Emerald)
- Chlorostilbon auriceps (Golden-crowned Emerald)
- Chlorostilbon canivetii (Canivet’s Emerald)
- Chlorostilbon forficatus (Cozumel Emerald)
- Chlorostilbon gibsoni (Red-billed Emerald)
- Chlorostilbon maugaeus (Puerto Rican Emerald)
- Chlorostilbon melanorhynchus (Western Emerald)
- Chlorostilbon mellisugus (Blue-tailed Emerald)
- Chlorostilbon olivaresi (Chiribiquete Emerald)
- Chlorostilbon poortmani (Short-tailed Emerald)
- Chlorostilbon ricordii (Cuban Emerald)
- Chlorostilbon russatus (Coppery Emerald)
- Chlorostilbon stenurus (Narrow-tailed Emerald)
- Chlorostilbon swainsonii (Hispaniolan Emerald)
- Chlorothraupis carmioli (Carmiol’s Tanager)
- Chlorothraupis olivacea (Lemon-spectacled Tanager)
- Chlorothraupis stolzmanni (Ochre-breasted Tanager)
- Chondestes grammacus (Lark Sparrow)
- Chondrohierax uncinatus (Hook-billed Kite)
- Chordeiles acutipennis (Lesser Nighthawk)
- Chordeiles gundlachii (Antillean Nighthawk)
- Chordeiles minor (Common Nighthawk)
- Chordeiles pusillus (Least Nighthawk)
- Chordeiles rupestris (Sand-colored Nighthawk)
- Chroicocephalus brunnicephalus (Brown-headed Gull)
- Chroicocephalus bulleri (Black-billed Gull)
- Chroicocephalus cirrocephalus (Gray-hooded Gull)
- Chroicocephalus genei (Slender-billed Gull)
- Chroicocephalus hartlaubii (Hartlaub’s Gull)
- Chroicocephalus maculipennis (Brown-hooded Gull)