List of bird genera

The following is an alphabetical list of genera of birds:

Ab-Ac

 * Abeillia - Trochilidae
 * Abrornis - Phylloscopidae
 * Abroscopus - Cettiidae
 * Aburria - Cracidae
 * Acanthagenys - Meliphagidae
 * Acanthis - Fringillidae
 * Acanthisitta - Acanthisittidae
 * Acanthiza - Pardalotidae
 * Acanthopneuste - Phylloscopidae
 * Acanthorhynchus - Meliphagidae
 * Acanthornis - Pardalotidae
 * Accipiter - Accipitridae
 * Acentrortyx - Odontophoridae
 * Aceros - Bucerotidae
 * Achaetops - Macrosphenidae
 * Acridotheres - Sturnidae
 * Acritillas - Pycnonotidae
 * Acrobatornis - Furnariidae
 * Acrocephalus - Acrocephalidae
 * Acropternis - Rhinocryptidae
 * Acryllium - Numididae
 * Actenoides - Alcedinidae
 * Actinodura - Leiothrichidae
 * Actitis - Scolopacidae
 * Actophilornis - Jacanidae

Ad-Ag

 * Adelomyia - Trochilidae
 * Aechmophorus - Podicipedidae
 * Aedonopsis Muscicapidae
 * Aegithalos - Aegithalidae
 * Aegithina - Aegithinidae
 * Aegolius - Strigidae
 * Aegotheles - Aegothelidae
 * Aegypius - Accipitridae
 * Aenigmatolimnas - Rallidae
 * Aepypodius - Megapodiidae
 * Aerodramus - Apodidae
 * Aeronautes - Apodidae
 * Aerospiza - Accipitridae
 * Aethia - Alcidae
 * Aethopyga - Nectariniidae
 * Afropavo - Phasianidae
 * Afrotis - Otididae
 * Afroxyechus - Charadriidae
 * Agamia - Ardeidae
 * Agapornis - Psittaculidae
 * Agelaioides - Icteridae
 * Agelaius - Icteridae
 * Agelastes - Numididae
 * Agelasticus - Icteridae
 * Aglaeactis - Trochilidae
 * Aglaiocercus - Trochilidae
 * Agraphospiza - Fringillidae
 * Agricola - Muscicapidae
 * Agriornis - Tyrannidae
 * Agropsar - Sturnidae

Ai-Al

 * Aidemosyne - Estrildidae
 * Ailuroedus - Ptilonorhynchidae
 * Aimophila - Arremonidae
 * Aix - Anatidae
 * Akletos - Thamnophilidae
 * Alaemon - Alaudidae
 * Alauda - Alaudidae
 * Alaudala - Alaudidae
 * Alca - Alcidae
 * Alcedo - Alcedinidae
 * Alcippe - Leiothrichidae
 * Aleadryas - Oreoicidae
 * Alectoris - Phasianidae
 * Alectrurus - Tyrannidae
 * Alectura - Megapodiidae
 * Alethe - Muscicapidae
 * Alipiopsitta - Psittacidae
 * Alisterus - Psittaculidae
 * Alle - Alcidae
 * Allenia - Mimidae
 * Alopecoenas - Columbidae
 * Alophoixus - Pycnonotidae
 * Alopochelidon - Hirundinidae
 * Alopochen - Anatidae

Am

 * Amadina - Estrildidae
 * Amalocichla - Petroicidae
 * Amandava - Estrildidae
 * Amaurolimnas - Rallidae
 * Amaurornis - Rallidae
 * Amaurospiza - Cardinalidae
 * Amazilia - Trochilidae
 * Amazona - Psittacidae
 * Amazonetta - Anatidae
 * Amblycercus - Icteridae
 * Amblyornis - Ptilonorhynchidae
 * Amblyospiza - Ploceidae
 * Amblyramphus - Icteridae
 * Ammodramus - Arremonidae
 * Ammomanes - Alaudidae
 * Ammomanopsis - Alaudidae
 * Ammonastes - Thamnophilidae
 * Ammoperdix - Phasianidae
 * Ammospiza - Arremonidae
 * Ampeliceps - Sturnidae
 * Ampelioides - Cotingidae
 * Ampelion - Cotingidae
 * Ampelornis - Thamnophilidae
 * Amphispiza - Arremonidae
 * Amytornis - Maluridae

Ana

 * Anabacerthia - Furnariidae
 * Anabathmis - Nectariniidae
 * Anabazenops - Furnariidae
 * Anairetes - Tyrannidae
 * Analcipus - Oriolidae
 * Analisoma - Campephagidae
 * Anaplectes - Ploceidae
 * Anarhynchus - Charadriidae
 * Anas - Anatidae
 * Anastomus - Ciconiidae

Anc-Ano

 * Ancistrops - Furnariidae
 * Andigena - Ramphastidae
 * Androdon - Trochilidae
 * Andropadus - Pycnonotidae
 * Anhima - Anhimidae
 * Anhinga - Anhingidae
 * Anisognathus - Thraupidae
 * Anodorhynchus - Psittacidae
 * Anomalospiza - Viduidae
 * Anopetia - Trochilidae
 * Anorrhinus - Bucerotidae
 * Anous - Laridae

Ans-Anu

 * Anser - Anatidae
 * Anseranas - Anseranatidae
 * Anthipes - Muscicapidae
 * Anthobaphes - Nectariniidae
 * Anthocephala - Trochilidae
 * Anthochaera - Meliphagidae
 * Anthodiaeta - Nectariniidae
 * Anthornis - Meliphagidae
 * Anthoscopus - Remizidae
 * Anthracoceros - Bucerotidae
 * Anthracothorax - Trochilidae
 * Anthreptes - Nectariniidae
 * Anthus - Motacillidae
 * Antigone - Gruidae
 * Antrostomus - Caprimulgidae
 * Anumara - Icteridae
 * Anumbius - Furnariidae
 * Anurolimnas - Rallidae
 * Anurophasis - Phasianidae

Ap-Aq

 * Apalharpactes - Trogonidae
 * Apalis - Cisticolidae
 * Apaloderma - Trogonidae
 * Apalopteron - Zosteropidae
 * Aphanapteryx - Rallidae
 * Aphanocrex - Rallidae
 * Aphanotriccus - Tyrannidae
 * Aphantochroa - Trochilidae
 * Aphelocephala - Pardalotidae
 * Aphelocoma - Corvidae
 * Aphrastura - Furnariidae
 * Aphrodroma - Procellariidae
 * Aplonis - Sturnidae
 * Aprositornis - Thamnophilidae
 * Aprosmictus - Psittaculidae
 * Aptenodytes - Spheniscidae
 * Apteryx - Apterygidae
 * Apus - Apodidae
 * Aquila - Accipitridae

Ar

 * Ara - Psittacidae
 * Arachnechthra - Nectariniidae
 * Arachnothera - Nectariniidae
 * Aramides - Rallidae
 * Aramus - Aramidae
 * Aratinga - Psittacidae
 * Arborophila - Phasianidae
 * Arcanator - Modulatricidae
 * Archilochus - Trochilidae
 * Ardea - Ardeidae
 * Ardenna - Procellariidae
 * Ardeola - Ardeidae
 * Ardeotis - Otididae
 * Arenaria - Scolopacidae
 * Argusianus - Phasianidae
 * Argya - Leiothrichidae
 * Arizelocichla - Pycnonotidae
 * Arremon - Arremonidae
 * Arremonops - Arremonidae
 * Arses - Monarchidae
 * Artamella - Vangidae
 * Artamus - Artamidae
 * Artemisiospiza - Arremonidae
 * Artisornis - Cisticolidae
 * Arundinax - Acrocephalidae
 * Arundinocola - Tyrannidae

As-At

 * Asarcornis - Anatidae
 * Asemospiza- Thraupidae
 * Ashbyia - Meliphagidae
 * Asio - Strigidae
 * Aspatha - Momotidae
 * Asthenes - Furnariidae
 * Astragalinus - Fringillidae
 * Astrapia - Paradisaeidae
 * Astur - Accipitridae
 * Atelornis - Brachypteraciidae
 * Athene - Strigidae
 * Atimastillas - Pycnonotidae
 * Atlantisia - Rallidae
 * Atlapetes - Arremonidae
 * Atraphornis - Sylviidae
 * Atrichornis - Atrichornithidae
 * Attagis - Thinocoridae
 * Atticora - Hirundinidae
 * Attila - Tyrannidae

Au-Ay

 * Augastes - Trochilidae
 * Aulacorhynchus - Ramphastidae
 * Auriparus - Remizidae
 * Automolus - Furnariidae
 * Aviceda - Accipitridae
 * Avocettula - Trochilidae
 * Aythya - Anatidae

Ba

 * Baeolophus - Paridae
 * Baeopogon - Pycnonotidae
 * Balaeniceps - Balaenicipitidae
 * Balearica - Gruidae
 * Bambusicola - Phasianidae
 * Bangsia Thraupidae
 * Barnardius - Psittaculidae
 * Bartramia - Scolopacidae
 * Baryphthengus - Momotidae
 * Basileuterus - Parulidae
 * Basilinna - Trochilidae
 * Basilornis - Sturnidae
 * Batara - Thamnophilidae
 * Bathilda - Estrildidae
 * Bathmocercus - Cisticolidae
 * Batis - Platysteiridae
 * "Batis" - Platysteiridae
 * Batrachostomus - Podargidae

Be-Bl

 * Berenicornis - Bucerotidae
 * Berlepschia - Furnariidae
 * Bernieria - Bernieridae
 * Bias - Vangidae
 * Biatas - Thamnophilidae
 * Biziura - Anatidae
 * Bleda - Pycnonotidae
 * Blythipicus - Picidae

Bo-Br

 * ''Bocagia - Malaconotidae
 * Boissonneaua - Trochilidae
 * Bolbopsittacus - Psittaculidae
 * Bolborhynchus - Psittacidae
 * Bolemoreus - Meliphagidae
 * Bombycilla - Bombycillidae
 * Bonasa - Phasianidae
 * Bostrychia - Threskiornithidae
 * Botaurus - Ardeidae
 * Brachygalba - Galbulidae
 * Brachypteracias - Brachypteracidae
 * Brachypteryx - Muscicapidae
 * Brachyramphus - Alcidae
 * Bradornis - Muscicapidae
 * Bradypterus - Locustellidae
 * Branta - Anatidae
 * Brotogeris - Psittacidae

Bu-By

 * Buarremon - Arremonidae
 * Bubalornis - Ploceidae
 * Bubo - Strigidae
 * Bubulcus - Ardeidae
 * Bucanetes - Fringillidae
 * Buccanodon - Lybiidae
 * Bucco - Bucconidae
 * Bucephala - Anatidae
 * Buceros - Bucerotidae
 * Bucorvus - Bucorvidae
 * Bulweria - Procellariidae
 * Buphagus - Buphagidae
 * Burhinus - Burhinidae
 * Busarellus - Accipitridae
 * Butastur - Accipitridae
 * Buteo - Accipitridae
 * Buteogallus - Accipitridae
 * Buthraupis - Thraupidae
 * Butorides - Ardeidae
 * Bycanistes - Bucerotidae

Cab-Cal

 * Cacatua - Cacatuidae
 * Cacicus - Icteridae
 * Cacomantis - Cuculidae
 * Cairina - Anatidae
 * Calamanthus - Pardalotidae
 * Calamonastes - Cisticolidae
 * Calamonastides - Acrocephalidae
 * Calamornis - Paradoxornithidae
 * Calamospiza - Arremonidae
 * Calandrella - Alaudidae
 * Calcarius - Calcariidae
 * Calendulauda - Alaudidae
 * Calherodius - Ardeidae
 * Calicalicus - Vangidae
 * Calidris - Scolopacidae
 * Caligavis - Meliphagidae
 * Callacanthis - Fringillidae
 * Callaeas - Callaeidae
 * Calliope - Muscicapidae
 * Callipepla - Odontophoridae
 * Calliphlox - Trochilidae
 * Callocephalon - Cacatuidae
 * Callonetta - Anatidae
 * Calochaetes - Thraupidae
 * Calocitta - Corvidae
 * Caloenas - Columbidae
 * Calonectris - Procellariidae
 * Caloperdix - Phasianidae
 * ''Calopterocles - Pteroclidae
 * Caloramphus - Megalaimidae
 * Calothorax - Trochilidae
 * Calypte - Trochilidae
 * Calyptocichla - Pycnonotidae
 * Calyptomena - Calyptomenidae
 * Calyptophilus - Parulidae
 * Calyptorhynchus - Cacatuidae
 * Calyptura - Platyrinchidae

Cam-Car

 * Camaroptera - Cisticolidae
 * Campephaga - Campephagidae
 * Campephilus - Picidae
 * Campicoloides - Muscicapidae
 * Campochaera - Campephagidae
 * Camptorhynchus - Anatidae
 * Camptostoma - Tyrannidae
 * Campylopterus - Trochilidae
 * Campylorhamphus - Furnariidae
 * Campylorhynchus - Troglodytidae
 * Canachites - Phasianidae
 * Canirallus - Sarothruridae
 * Cantorchilus - Troglodytidae
 * Capito - Capitonidae
 * Caprimulgus - Caprimulgidae
 * Capsiempis - Tyrannidae
 * Caracara - Falconidae
 * Cardellina - Parulidae
 * Cardinalis - Cardinalidae
 * Carduelis - Fringillidae
 * Cariama - Cariamidae
 * Caridonax - Alcedinidae
 * Carpococcyx - Cuculidae
 * Carpodacus - Fringillidae
 * Carpodectes - Cotingidae
 * Carpornis - Cotingidae
 * Carpospiza - Passeridae
 * Carterornis - Monarchidae
 * Caryothraustes - Cardinalidae

Cas-Cat

 * Casiornis - Tyrannidae
 * Casuarius - Casuariidae
 * Catamblyrhynchus - Thraupidae
 * Catamenia - Thraupidae
 * Cataponera - Turdidae
 * Catharopeza - Parulidae
 * Cathartes - Cathartidae
 * Catharus - Turdidae
 * Catherpes - Troglodytidae
 * Catreus - Phasianidae
 * Catriscus - Locustellidae

Ce

 * Ceblepyris - Campephagidae
 * Cecropis - Hirundinidae
 * Celebesica - Campephagidae
 * Celeus - Picidae
 * Centrocercus - Phasianidae
 * Centronyx - Arremonidae
 * Centropus - Cuculidae
 * Centurus - Picidae
 * Cephalopterus - Cotingidae
 * Cephalopyrus - Paridae
 * Cepphus - Alcidae
 * Cerasophila - Pycnonotidae
 * Ceratogymna - Bucerotidae
 * Ceratopipra - Pipridae
 * Ceratotriccus - Rhynchocyclidae
 * Cercibis - Threskiornithidae
 * Cercococcyx - Cuculidae
 * Cercomacra - Thamnophilidae
 * Cercomacroides - Thamnophilidae
 * Cercotrichas - Muscicapidae
 * Cereopsis - Anatidae
 * Cerorhinca - Alcidae
 * Certhia - Certhiidae
 * ''Certhiasomus - Furnariidae
 * Certhiaxis - Furnariidae
 * Certhidea - Thraupidae
 * Certhilauda - Alaudidae
 * Certhionyx - Meliphagidae
 * Ceryle - Alcedinidae
 * Cettia - Cettiidae
 * "Cettia" - Cettiidae
 * Ceuthmochares - Cuculidae
 * Ceyx - Alcedinidae

Cha-Che

 * Chaetocercus - Trochilidae
 * Chaetops - Chaetopidae
 * Chaetoptila - Mohoidae
 * Chaetorhynchus - Lamproliidae
 * Chaetura - Apodidae
 * Chalcomitra - Nectariniidae
 * Chalcoparia - Nectariniidae
 * Chalcophaps - Columbidae
 * Chalcopsitta - Psittaculidae
 * Chalybura - Trochilidae
 * Chamaea - Paradoxornithidae
 * Chamaepetes - Cracidae
 * Chamaetylas - Muscicapidae
 * Chamaeza - Formicariidae
 * Chaptia - Dicruridae
 * Charadrius - Charadriidae
 * Charitospiza - Thraupidae
 * Charmosyna - Psittaculidae
 * Chauna - Anhimidae
 * Chelictinia - Accipitridae
 * Chelidoptera - Bucconidae
 * Chelidorhynx - Stenostiridae
 * Chenonetta - Anatidae
 * Chenorhamphus - Maluridae
 * Cheramoeca - Hirundinidae
 * Chersomanes - Alaudidae
 * Chersophilus - Alaudidae

Chi-Chl

 * Chionis - Chionidae
 * Chionomitris - Fringillidae
 * Chiroxiphia - Pipridae
 * Chlamydera - Ptilonorhynchidae
 * Chlamydochaera - Turdidae
 * Chlamydotis - Otididae
 * Chleuasicus - Paradoxornithidae
 * Chlidonias - Laridae
 * Chloephaga - Anatidae
 * Chlorestes - Trochilidae
 * Chloridops - Fringillidae
 * Chloris - Fringillidae
 * Chloroceryle - Alcedinidae
 * Chlorochrysa - Thraupidae
 * Chlorocichla - Pycnonotidae
 * Chlorodrepanis - Fringillidae
 * Chlorophanes - Thraupidae
 * Chlorophoneus - Malaconotidae
 * Chlorophonia - Fringillidae
 * Chloropicoides - Picidae
 * Chloropicus - Picidae
 * Chloropipo - Pipridae
 * Chloropsis - Chloropseidae
 * Chlorornis - Thraupidae
 * Chlorospingus - Arremonidae

Cho-Chu

 * Chondestes - Arremonidae
 * Chondrohierax - Accipitridae
 * Chordeiles - Caprimulgidae
 * Chroicocephalus - Laridae
 * Chryserpes - Picidae
 * Chrysococcyx - Cuculidae
 * Chrysocolaptes - Picidae
 * Chrysocorythus - Fringillidae
 * Chrysolampis - Trochilidae
 * Chrysolophus - Phasianidae
 * Chrysominla - Leiothrichidae
 * Chrysomma - Paradoxornithidae
 * Chrysomus - Icteridae
 * Chrysophlegma - Picidae
 * Chrysothlypis - Thraupidae
 * Chrysuronia - Trochilidae
 * Chthonicola - Pardalotidae
 * Chubbia - Scolopacidae
 * Chunga - Cariamidae

Ci

 * Ciccaba - Strigidae
 * Cichladusa - Muscicapidae
 * Cichlocolaptes - Furnariidae
 * Cichlopsis - Turdidae
 * Cicinnurus - Paradisaeidae
 * Ciconia - Ciconiidae
 * Cinaedium - Motacillidae
 * Cinclidium - Muscicapidae
 * Cinclocerthia - Mimidae
 * Cinclodes - Furnariidae
 * Cincloramphus - Locustellidae
 * Cinclosoma - Cinclosomatidae
 * Cinclus - Cinclidae
 * Cinnycerthia - Troglodytidae
 * Cinnyricinclus - Sturnidae
 * Cinnyris - Nectariniidae
 * Circaetus - Accipitridae
 * Circus - Accipitridae
 * Ciridops - Fringillidae
 * Cissa - Corvidae
 * Cissomela - Meliphagidae
 * Cissopis - Thraupidae
 * Cisticola - Cisticolidae
 * Cistothorus - Troglodytidae
 * Cittura - Alcedinidae

Cl-Cn

 * Cladorhynchus - Recurvirostridae
 * Clamator - Cuculidae
 * Clanga - Accipitridae
 * Clangula - Anatidae
 * Claravis - Columbidae
 * Cleptornis - Zosteropidae
 * Clibanornis - Furnariidae
 * Climacteris - Climacteridae
 * Clytoceyx - Alcedinidae
 * Clytoctantes - Thamnophilidae
 * Clytomyias - Maluridae
 * Clytospiza - Estrildidae
 * Cnemarchus - Tyrannidae
 * Cnemophilus - Cnemophilidae
 * Cnemoscopus - Thraupidae
 * Cnemotriccus - Tyrannidae
 * Cnipodectes - Rhynchocyclidae

Coc-Com

 * Coccopygia - Estrildidae
 * Coccothraustes - Fringillidae
 * Coccycua - Cuculidae
 * Coccyzus - Cuculidae
 * Cochlearius - Ardeidae
 * Cochoa - Turdidae
 * Coeligena - Trochilidae
 * Coenocorypha - Scolopacidae
 * Coereba - Thraupidae
 * Colaptes - Picidae
 * Colibri - Trochilidae
 * Colinus - Odontophoridae
 * Colius - Colius
 * Collocalia - Apodidae
 * Colluricincla - Pachycephalidae
 * Coloeus - Corvidae
 * Colonia - Tyrannidae
 * Colorhamphus - Tyrannidae
 * Columba - Columbidae
 * Columbina - Columbidae
 * Compsocoma - Thraupidae

Con-Cor

 * Conioptilon - Cotingidae
 * Conirostrum - Thraupidae
 * Conopias - Tyrannidae
 * Conopophaga - Conopophagidae
 * Conopophila - Meliphagidae
 * Conostoma - Paradoxornithidae
 * Conothraupis - Thraupidae
 * Contopus - Tyrannidae
 * Conuropsis - Psittacidae
 * Copsychus - Muscicapidae
 * Coracias - Coraciidae
 * Coracina - Campephagidae
 * Coracornis - Pachycephalidae
 * Coragyps - Cathartidae
 * Corcorax - Corcoracidae
 * Coriphilus - Psittaculidae
 * Cormobates - Climacteridae
 * Corvinella - Laniidae
 * Corvus - Corvidae
 * Corydalla - Motacillidae
 * Corydon - Eurylaimidae
 * Coryphaspiza - Thraupidae
 * Coryphistera - Furnariidae
 * Coryphospingus - Thraupidae
 * Corythaeola - Musophagidae
 * Corythaixoides - Musophagidae
 * Corythopis - Rhynchocyclidae
 * Corythornis - Alcedinidae

Cos-Cou

 * Coscoroba - Anatidae
 * Cossypha - Muscicapidae
 * Cossyphicula - Muscicapidae
 * Cotinga - Cotingidae
 * Coturnicops - Rallidae
 * Coturnix - Phasianidae
 * Coua - Cuculidae

Cr-Cu

 * Cracticus - Artamidae
 * Cranioleuca - Furnariidae
 * Crax - Cracidae
 * Creagrus - Laridae
 * Creatophora - Sturnidae
 * Creciscus - Rallidae
 * Creurgops - Thraupidae
 * Crex - Rallidae
 * Crinifer - Musophagidae
 * Criniferoides - Musophagidae
 * Criniger - Pycnonotidae
 * Crithagra - Fringillidae
 * Crossleyia - Bernieridae
 * Crossoptilon - Phasianidae
 * Crotophaga - Cuculidae
 * Crypsirina - Corvidae
 * Cryptoleucopteryx - Accipitridae
 * Cryptolybia - Lybiidae
 * Cryptophaps - Columbidae
 * Cryptopipo- Pipridae
 * Cryptospiza - Estrildidae
 * Cryptosylvicola - Bernieridae
 * Crypturellus - Tinamidae
 * Cuculus - Cuculidae
 * Culicicapa - Stenostiridae
 * Culicivora - Tyrannidae
 * Curaeus - Icteridae
 * Curruca - Sylviidae
 * Cursorius - Glareolidae
 * Cutia - Leiothrichidae

Cy

 * Cyanecula - Muscicapidae
 * Cyanerpes - Thraupidae
 * Cyanicterus - Thraupidae
 * Cyanistes - Paridae
 * Cyanochen - Anatidae
 * Cyanocitta - Corvidae
 * Cyanocorax - Corvidae
 * Cyanoderma - Timaliidae
 * Cyanograucalus - Campephagidae
 * Cyanolanius - Vangidae
 * Cyanoliseus - Psittacidae
 * Cyanoloxia - Cardinalidae
 * Cyanolyca - Corvidae
 * Cyanomitra - Nectariniidae
 * Cyanonympha - Rhipiduridae
 * Cyanophonia - Fringillidae
 * Cyanopica - Corvidae
 * Cyanopsitta - Psittacidae
 * Cyanoptila - Muscicapidae
 * Cyanoramphus - Psittaculidae
 * Cyclarhis - Vireonidae
 * Cyclopsitta - Psittaculidae
 * Cygnus - Anatidae
 * Cymbilaimus - Thamnophilidae
 * Cymbirhynchus - Eurylaimidae
 * Cymochorea - Hydrobatidae
 * Cynanthus - Trochilidae
 * Cyornis - Muscicapidae
 * "Cyornis" - Muscicapidae
 * Cyphorhinus - Troglodytidae
 * Cyphos - Bucconidae
 * Cypseloides - Apodidae
 * Cypsiurus - Apodidae
 * Cypsnagra - Thraupidae
 * Cyrtonyx - Odontophoridae
 * Cyrtostomus - Nectariniidae

Da

 * Dacelo - Alcedinidae
 * Dacnis - Thraupidae
 * Dactylortyx - Odontophoridae
 * Daphoenositta - Neosittidae
 * Daption - Procellariidae
 * Daptrius - Falconidae
 * Dasyornis - Dasyornithidae

De

 * Deconychura - Furnariidae
 * Deleornis - Nectariniidae
 * Delichon - Hirundinidae
 * Dendragapus - Phasianidae
 * Dendrexetastes - Furnariidae
 * Dendrocincla - Furnariidae
 * Dendrocitta - Corvidae
 * Dendrocolaptes - Furnariidae
 * Dendrocopos - Picidae
 * Dendrocoptes - Picidae
 * Dendrocygna - Anatidae
 * Dendroica - Parulidae
 * Dendronanthus - Motacillidae
 * Dendroplex - Furnariidae
 * Dendrortyx - Odontophoridae
 * Deroptyus - Psittacidae
 * Dessonornis - Muscicapidae

Di

 * Dicaeum - Dicaeidae
 * Dichrozona - Thamnophilidae
 * Dicrurus - Dicruridae
 * Didunculus - Columbidae
 * Diglossa - Thraupidae
 * Dinemellia - Ploceidae
 * Dinopium - Picidae
 * Diomedea - Diomedeidae
 * Diopsittaca - Psittacidae
 * Diphyllodes - Paradisaeidae
 * Discosura - Trochilidae
 * Diuca - Thraupidae
 * Dives - Icteridae

Do-Dr

 * Dolichonyx - Icteridae
 * Doliornis - Cotingidae
 * Donacobius - Donacobiidae
 * Donacospiza - Thraupidae
 * Doricha - Trochilidae
 * Doryfera - Trochilidae
 * Drepanis - Fringillidae
 * Dromaius - Casuariidae
 * Dromas - Dromadidae
 * Dromococcyx - Cuculidae
 * ''Drongo - Dicruridae
 * Drymocichla - Cisticolidae
 * Drymodes - Petroicidae
 * Drymophila - Thamnophilidae
 * Drymornis - Furnariidae
 * Drymotoxeres - Furnariidae
 * Dryobates - Picidae
 * Dryocopus - Picidae
 * Dryolimnas - Rallidae
 * Dryoscopus - Malaconotidae

Du-Dy

 * Dubusia - Thraupidae
 * Ducula - Columbidae
 * Dulus - Dulidae
 * Dumetella - Mimidae
 * Dumetia - Timaliidae
 * Dyaphorophyia - Platysteiridae
 * Dysithamnus - Thamnophilidae
 * Dysmorodrepanis - Fringillidae

Ec-El

 * Eclectus - Psittaculidae
 * Ectopistes - Columbidae
 * Edolisoma - Campephagidae
 * Edolius - Dicruridae
 * Egretta - Ardeidae
 * Elachura - Elachuridae
 * Elaenia - Tyrannidae
 * Elanoides - Accipitridae
 * Elanus - Accipitridae
 * Elaphrornis - Locustellidae
 * Electron - Momotidae
 * Eleoscytalopus - Rhinocryptidae
 * Elminia - Stenostiridae
 * Elvira - Trochilidae

Em-Eo

 * Emarginata - Muscicapidae
 * Emberiza - Emberizidae
 * Emberizoides - Thraupidae
 * Embernagra - Thraupidae
 * Emblema - Estrildidae
 * Eminia - Cisticolidae
 * Empidonax - Tyrannidae
 * Empidonomus - Tyrannidae
 * Enicognathus - Psittacidae
 * Enicurus - Muscicapidae
 * Enodes - Sturnidae
 * Ensifera - Trochilidae
 * Entomodestes - Turdidae
 * Entomyzon - Meliphagidae
 * Eolophus - Cacatuidae
 * Eophona - Fringillidae
 * Eopsaltria - Petroicidae
 * Eos - Psittaculidae

Ep-Es

 * Ephippiorhynchus - Ciconiidae
 * Epimachus - Paradisaeidae
 * Epinecrophylla - Thamnophilidae
 * Epthianura - Meliphagidae
 * Eremalauda - Alaudidae
 * Eremomela - Cisticolidae
 * Eremophila - Alaudidae
 * Eremopterix - Alaudidae
 * Eriocnemis - Trochilidae
 * Erithacus - Muscicapidae
 * Erpornis - Vireonidae
 * Erythrocercus - Cettiidae
 * Erythrogenys - Timaliidae
 * Erythrogonys - Charadriidae
 * Erythromachus - Rallidae
 * Erythropitta - Pittidae
 * Erythrotriorchis - Accipitridae
 * Erythrura - Estrildidae
 * Esacus - Burhinidae
 * Estrilda - Estrildidae

Eub-Eun

 * Eubucco - Capitonidae
 * Euchrepomis - Thamnophilidae
 * Eudocimus - Threskiornithidae
 * Eudromia - Tinamidae
 * Eudromias - Charadriidae
 * Eudynamys - Cuculidae
 * Eudyptes - Spheniscidae
 * Eudyptula - Spheniscidae
 * Eugenes - Trochilidae
 * Eugerygone - Petroicidae
 * Eugralla - Rhinocryptidae
 * Eulacestoma - Eulacestomatidae
 * Eulidia - Trochilidae
 * Eulipoa - Megapodidae
 * Eumomota - Momotidae
 * Eumyias - Muscicapidae
 * Euneornis - Thraupidae
 * Eunymphicus - Psittaculidae

Euo-Ex

 * Euodice - Estrildidae
 * Eupetes - Eupetidae
 * Eupetomena - Trochilidae
 * Euphagus - Icteridae
 * Eupherusa - Trochilidae
 * Euphonia - Fringillidae
 * Euplectes - Ploceidae
 * Eupoda - Charadriidae
 * Eupodotis - Otididae
 * Eupsittula - Psittacidae
 * Euptilotis - Trogonidae
 * Eurillas - Pycnonotidae
 * Eurocephalus - Laniidae
 * Eurostopodus - Caprimulgidae
 * Euryceros - Vangidae
 * Eurylaimus - Eurylaimidae
 * Euryptila - Cisticolidae
 * Eurypyga - Eurypygidae
 * Eurystomus - Coraciidae
 * Euscarthmus - Tyrannidae
 * Euschistospiza - Estrildidae
 * Euthlypis - Parulidae
 * Eutoxeres - Trochilidae
 * Eutrichomyias - Lamproliidae
 * Eutriorchis - Accipitridae
 * Excalfactoria - Phasianidae

Fa-Fl

 * Falcipennis - Phasianidae
 * Falco - Falconidae
 * Falculea - Falconidae
 * Falcunculus - Falcunculidae
 * Ferminia - Troglodytidae
 * Ficedula - Muscicapidae
 * Finschia - Mohouidae
 * Florisuga - Trochilidae
 * Fluvicola - Tyrannidae

Fo-Fu

 * Formicarius - Formicariidae
 * Formicivora - Thamnophilidae
 * Forpus - Psittacidae
 * Foudia - Ploceidae
 * Foulehaio - Meliphagidae
 * Francolinus - Phasianidae
 * Fraseria - Muscicapidae
 * Fratercula - Alcidae
 * Frederickena - Thamnophilidae
 * Fregata - Fregatidae
 * Fregetta - Oceanitidae
 * Fregilupus - Sturnidae
 * Fringilla - Fringillidae
 * Fulica - Rallidae
 * Fulmarus - Procellariidae
 * Fulvetta - Paradoxornithidae
 * Furnarius - Furnariidae

Ga

 * Gactornis - Caprimulgidae
 * Galbalcyrhynchus - Galbulidae
 * Galbula - Galbulidae
 * Galerida - Alaudidae
 * Gallicolumba - Columbidae
 * Gallicrex - Rallidae
 * Gallinago - Scolopacidae
 * Gallinula - Rallidae
 * Gallirallus - Rallidae
 * Gallirex - Musophagidae
 * Galloperdix - Phasianidae
 * Gallus - Phasianidae
 * Gampsonyx - Accipitridae
 * Gampsorhynchus - Pellorneidae
 * Garritornis - Pomatostomidae
 * Garrodia - Oceanitidae
 * Garrulax - Leiothrichidae
 * Garrulus - Corvidae
 * Gavia - Gaviidae
 * Gavicalis - Musophagidae

Ge

 * Gecinulus - Picidae
 * Gelochelidon - Laridae
 * Gennaeodryas - Petroicidae
 * Geobiastes - Brachypteraciidae
 * Geocerthia - Furnariidae
 * Geococcyx - Cuculidae
 * Geocolaptes - Picidae
 * Geoffroyus - Psittaculidae
 * Geokichla - Turdidae
 * Geopelia - Columbidae
 * Geophaps - Columbidae
 * Geositta - Furnariidae
 * Geospiza - Thraupidae
 * Geothlypis - Parulidae
 * Geotrygon - Columbidae
 * Geranoaetus - Accipitridae
 * Geranospiza - Accipitridae
 * Geronticus - Threskiornithidae
 * Gerygone - Pardalotidae

Gl-Go

 * Glareola - Glareolidae
 * Glaucidium - Strigidae
 * Glaucis - Trochilidae
 * Gliciphila - Meliphagidae
 * Glossopsitta - Psittaculidae
 * Glossoptilus - Psittaculidae
 * Glycichaera - Meliphagidae
 * Glyphorynchus - Furnariidae
 * Gnorimopsar - Icteridae
 * Goethalsia - Trochilidae
 * Goldmania - Trochilidae
 * Gorsachius - Ardeidae
 * Goura - Columbidae

Gr-Gu

 * Gracula - Sturnidae
 * Gracupica - Sturnidae
 * Grafisia - Sturnidae
 * Grallaria - Grallariidae
 * Grallaricula - Grallariidae
 * Grallina - Monarchidae
 * Graminicola - Pellorneidae
 * Granatellus - Cardinalidae
 * Granatina - Estrildidae
 * Grandala - Turdidae
 * Grantiella - Meliphagidae
 * Graueria - Macrosphenidae
 * Graydidascalus - Psittacidae
 * Grus - Gruidae
 * Guadalcanaria - Meliphagidae
 * Guaruba - Psittacidae
 * Gubernatrix - Thraupidae
 * Gubernetes - Tyrannidae
 * Guira - Cuculidae
 * Guttera - Numididae
 * Guyramemua - Tyrannidae

Gy

 * Gygis - Laridae
 * Gymnasio - Strigidae
 * Gymnobucco - Lybiidae
 * Gymnocichla - Thamnophilidae
 * Gymnocrex - Rallidae
 * Gymnoderus - Cotingidae
 * Gymnogyps - Cathartidae
 * Gymnomystax - Icteridae
 * Gymnomyza - Meliphagidae
 * Gymnophaps - Columbidae
 * Gymnopithys - Thamnophilidae
 * Gymnorhinus - Corvidae
 * Gymnoris - Passeridae
 * Gypaetus - Accipitridae
 * Gypohierax - Accipitridae
 * Gyps - Accipitridae
 * Gypsophila - Pellorneidae

Ha

 * Habia - Cardinalidae
 * Haematoderus - Cotingidae
 * Haematopus - Haematopodidae
 * Haematortyx - Phasianidae
 * Haemorhous - Fringillidae
 * Halcyon - Alcedinidae
 * Haliaeetus - Accipitridae
 * Haliastur - Accipitridae
 * Halobaena - Procellariidae
 * Halocyptena - Hydrobatidae
 * Hamirostra - Accipitridae
 * Hapalocrex - Rallidae
 * Hapalopsittaca - Psittacidae
 * Hapaloptila - Bucconidae
 * Haplophaedia - Trochilidae
 * Haplospiza - Thraupidae
 * Harpactes - Trogonidae
 * Harpagus - Accipitridae
 * Harpia - Accipitridae
 * Harpyopsis - Accipitridae
 * Hartertula - Bernieridae
 * Hartlaubius - Sturnidae

Hed-Hel

 * Hedydipna - Nectariniidae
 * Hedyglossa - Thraupidae
 * Heinrichia - Muscicapidae
 * Heleia - Zosteropidae
 * Heliactin - Trochilidae
 * Heliangelus - Trochilidae
 * Helicolestes - Accipitridae
 * Heliobletus - Furnariidae
 * Heliodoxa - Trochilidae
 * Heliomaster - Trochilidae
 * Heliopais - Heliornithidae
 * Heliornis - Heliornithidae
 * Heliothryx - Trochilidae
 * Hellmayrea - Furnariidae
 * Helmitheros - Parulidae
 * Helopsaltes - Locustellidae

Hem-Her

 * Hemicircus - Picidae
 * Hemignathus - Fringillidae
 * Hemimacronyx - Motacillidae
 * Hemiphaga - Columbidae
 * Hemiprocne - Hemiprocnidae
 * Hemipus - Vangidae
 * Hemitesia - Cettiidae
 * Hemithraupis - Thraupidae
 * Hemitriccus - Rhynchocyclidae
 * Hemixos - Pycnonotidae
 * Henicopernis - Accipitridae
 * Henicophaps - Columbidae
 * Henicorhina - Troglodytidae
 * Herpetotheres - Falconidae
 * Herpsilochmus - Thamnophilidae

Het

 * Heteralocha - Callaeidae
 * Heterocercus - Pipridae
 * Heteromirafra - Alaudidae
 * Heteromunia - Estrildidae
 * Heteromyias - Petroicidae
 * Heteronetta - Anatidae
 * Heterophasia - Leiothrichidae
 * Heterospingus - Thraupidae
 * Heterotetrax - Otididae
 * Heteroxenicus - Muscicapidae
 * Heteroxolmis - Tyrannidae

Hi-Hu

 * Hieraaetus - Accipitridae
 * Hieraspiza - Accipitridae
 * Hierococcyx - Cuculidae
 * Himantopus - Recurvirostridae
 * Himantornis - Rallidae
 * Hippolais - Acrocephalidae
 * Hirundapus - Apodidae
 * Hirundinea - Tyrannidae
 * Hirundo - Hirundinidae
 * Histrionicus - Anatidae
 * Histurgops - Ploceidae
 * Hodgsonius - Muscicapidae
 * Horizocerus - Bucerotidae
 * Horornis - Cettiidae
 * Houbaropsis - Otididae
 * Howeavis - Rhipiduridae
 * Humblotia - Muscicapidae

Hyd-Hyl

 * Hydrobates - Hydrobatidae
 * Hydrochous - Apodidae
 * Hydrocoloeus - Laridae
 * Hydrophasianus - Jacanidae
 * Hydroprogne - Laridae
 * Hydropsalis - Caprimulgidae
 * Hydrornis - Pittidae
 * Hylacola - Pardalotidae
 * Hylatomus - Picidae
 * Hylexetastes - Furnariidae
 * Hylia - Hyliidae
 * Hyliota - Hyliotidae
 * Hylocharis - Trochilidae
 * Hylocichla - Turdidae
 * Hylocitrea - Hypocoliidae
 * Hylomanes - Momotidae
 * Hylonympha - Trochilidae
 * Hylopezus - Grallariidae
 * Hylophilus - Vireonidae
 * Hylophylax - Thamnophilidae
 * Hylopsar - Sturnidae
 * Hylorchilus - Troglodytidae

Hym-Hyp

 * Hymenolaimus - Anatidae
 * Hymenops - Tyrannidae
 * Hypargos - Estrildidae
 * Hypergerus - Cisticolidae
 * Hypnelus - Bucconidae
 * Hypocnemis - Thamnophilidae
 * Hypocnemoides - Thamnophilidae
 * Hypocolius - Hypocoliidae
 * Hypocryptadius - Passeridae
 * Hypoedaleus - Thamnophilidae
 * Hypopyrrhus - Icteridae
 * Hypositta - Vangidae
 * Hypothymis - Monarchidae
 * Hypsipetes - Pycnonotidae

I

 * Ianthocincla - Leiothrichidae
 * Ibidorhyncha - Ibidorhynchidae
 * Ibycter - Falconidae
 * Ichthyaetus - Laridae
 * Icteria - Icteridae
 * Icterus - Icteridae
 * Icthyophaga - Accipitridae
 * Ictinaetus - Accipitridae
 * Ictinia - Accipitridae
 * Idioptilon - Rhynchocyclidae
 * Iduna - Acrocephalidae
 * Ifrita - Ifritidae
 * Ilicura - Pipridae
 * Illadopsis - Pellorneidae
 * Incana - Cisticolidae
 * Incaspiza - Thraupidae
 * Indicator - Indicatoridae
 * Inezia - Tyrannidae
 * Iodopleura - Tityridae
 * Iole - Pycnonotidae
 * Irania - Muscicapidae
 * Irediparra - Jacanidae
 * Irena - Irenidae
 * Iridophanes - Thraupidae
 * Iridosornis - Thraupidae
 * Isleria - Thamnophilidae
 * Ispidina - Alcedinidae
 * Ithaginis - Phasianidae
 * Ixobrychus - Ardeidae
 * Ixonotus - Pycnonotidae
 * Ixoreus - Turdidae
 * Ixos - Pycnonotidae

J

 * Jabiru - Ciconiidae
 * Jacamaralcyon - Galbulidae
 * Jacamerops - Galbulidae
 * Jacana - Jacanidae
 * Jubula - Strigidae
 * Junco - Arremonidae
 * Jynx - Picidae

K

 * Kakamega - Modulatricidae
 * Kaupifalco - Falconidae
 * Kenopia - Pellorneidae
 * Ketupa - Strigidae
 * Kieneria - Arremonidae
 * Kittacincla Muscicapidae
 * Klais - Trochilidae
 * Kleinothraupis - Thraupidae
 * Knipolegus - Tyrannidae
 * Kurochkinegramma - Nectariniidae

La

 * Lacedo - Alcedinidae
 * Lacustroica - Meliphagidae
 * Lafresnaya - Trochilidae
 * Lagonosticta - Estrildidae
 * Lagopus - Phasianidae
 * Lalage - Campephagidae
 * Lampornis - Trochilidae
 * Lamprolaima - Trochilidae
 * Lamprolia - Lamproliidae
 * Lampropsar - Icteridae
 * Lamprospiza - Mitrospingidae
 * Lamprotornis - Sturnidae
 * Laniarius - Malaconotidae
 * Laniellus - Leiothrichidae
 * Laniisoma - Tityridae
 * Lanio - Thraupidae
 * Laniocera - Tityridae
 * Lanioturdus - Platysteiridae
 * Lanius - Laniidae
 * Larosterna - Laridae
 * Larus - Laridae
 * Larvivora - Muscicapidae
 * Laterallus - Rallidae
 * Lathamus - Psittaculidae
 * Lathrotriccus - Tyrannidae
 * Laticilla - Pellorneidae

Le

 * Legatus - Tyrannidae
 * Leiopicus - Picidae
 * Leioptila - Leiothrichidae
 * Leiothlypis - Parulidae
 * Leiothrix - Leiothrichidae
 * Leipoa - Megapodidae
 * Leonardina - Muscicapidae
 * Lepidocolaptes - Furnariidae
 * Lepidopyga - Estrildidae
 * Lepidothrix - Pipridae
 * Leptasthenura - Furnariidae
 * Leptocoma - Nectariniidae
 * Leptodon - Accipitridae
 * Leptopoecile - Aegithalidae
 * Leptopogon - Rhynchocyclidae
 * Leptopterus - Vangidae
 * Leptoptilos - Ciconiidae
 * Leptosittaca - Psittacidae
 * Leptosomus - Leptosomidae
 * Leptotila - Columbidae
 * Leptotrygon - Columbidae
 * Lerwa - Phasianidae
 * Lesbia - Trochilidae
 * Lessonia - Tyrannidae
 * Leucippus - Trochilidae
 * Leucochloris - Trochilidae
 * Leucocirca - Rhipiduridae
 * "Leucocirca1" - Rhipiduridae
 * "Leucocirca2" - Rhipiduridae
 * Leucodioptron - Leiothrichidae
 * Leucogeranus - Gruidae
 * Leuconotopicus - Picidae
 * Leucopeza - Parulidae
 * Leucophaeus - Laridae
 * Leucopsar - Sturnidae
 * Leucopternis - Accipitridae
 * Leucosarcia - Columbidae
 * Leucosticte - Fringillidae
 * Lewinia - Rallidae

Li

 * Lichenostomus - Meliphagidae
 * Lichmera - Meliphagidae
 * "Lichmera" - Meliphagidae
 * Limnobaenus - Rallidae
 * Limnocorax - Rallidae
 * Limnocrex - Rallidae
 * Limnoctites - Furnariidae
 * Limnodromus - Scolopacidae
 * Limnornis - Furnariidae
 * Limnothlypis - Parulidae
 * Limosa - Scolopacidae
 * Linaria - Fringillidae
 * Linurgus - Fringillidae
 * Liocichla - Leiothrichidae
 * Lioparus - Paradoxornithidae
 * Liosceles - Rhinocryptidae
 * Lipaugus - Cotingidae
 * Lissotis - Otididae

Lo

 * Loboparadisea - Cnemophilidae
 * Lobotos - Campephagidae
 * Lochmias - Furnariidae
 * Locustella - Locustellidae
 * Lonchura - Estrildidae
 * Lophaetus - Accipitridae
 * Lophoceros - Bucerotidae
 * Lophodytes - Anatidae
 * Lophoictinia - Accipitridae
 * Lopholaimus - Columbidae
 * Lophonetta - Anatidae
 * Lophophanes - Paridae
 * Lophophorus - Phasianidae
 * Lophopsittacus - Psittaculidae
 * Lophorina - Paradisaeidae
 * Lophornis - Trochilidae
 * Lophospingus - Thraupidae
 * Lophostrix - Strigidae
 * Lophotibis - Threskiornithidae
 * Lophotis - Otididae
 * Lophotriccus - Accipitridae
 * Lophura - Phasianidae
 * Loriculus - Psittaculidae
 * Lorius - Psittaculidae
 * Loxia - Fringillidae
 * Loxigilla- Thraupidae
 * Loxioides - Fringillidae
 * Loxipasser - Thraupidae
 * Loxops - Fringillidae

Lu-Ly

 * Lullula - Alaudidae
 * Lurocalis - Caprimulgidae
 * Luscinia - Muscicapidae
 * Lybius - Lybiidae
 * Lycocorax - Paradisaeidae
 * Lymnocryptes - Scolopacidae
 * Lyncornis - Caprimulgidae
 * Lyrurus - Phasianidae
 * Lysurus - Arremonidae

Mac-Mad

 * Macgregoria - Meliphagidae
 * Machaerirhynchus - Machaerirhynchidae
 * Machaeropterus - Pipridae
 * Macheiramphus - Accipitridae
 * Machetornis - Tyrannidae
 * Macholophus - Paridae
 * Mackenziaena - Thamnophilidae
 * Macroagelaius - Icteridae
 * Macrocephalon - Megapodiidae
 * Macronectes - Procellariidae
 * Macronus - Timaliidae
 * Macronyx - Motacillidae
 * Macropygia - Columbidae
 * Macrosphenus - Macrosphenidae
 * Magumma - Fringillidae

Mal-Man

 * Malacocincla - Pellorneidae
 * Malaconotus - Malaconotidae
 * Malacopteron - Pellorneidae
 * Malacoptila - Bucconidae
 * Malacorhynchus - Anatidae
 * Malcorus - Cisticolidae
 * Malia - Locustellidae
 * Malimbus - Ploceidae
 * Malindangia - Campephagidae
 * Malurus - Maluridae
 * Manacus - Pipridae
 * Mandingoa - Estrildidae
 * Manorina - Meliphagidae
 * Manucodia - Paradisaeidae

Mar-May

 * Mareca - Anatidae
 * Margarobyas - Strigidae
 * Margaroperdix - Phasianidae
 * Margarops - Mimidae
 * Margarornis - Furnariidae
 * Marmaronetta - Anatidae
 * Mascarenotus - Strigidae
 * Mascarinus - Psittaculidae
 * Masius - Pipridae
 * Mazaria - Furnariidae

Mea-Mei

 * Mearnsia - Apodidae
 * Mecocerculus - Tyrannidae
 * Megabyas - Vangidae
 * Megaceryle - Alcedinidae
 * Megacrex - Rallidae
 * Megadyptes - Spheniscidae
 * Megalurus - Locustellidae
 * Megapodius - Megapodiidae
 * Megarhynchus - Tyrannidae
 * Megascops - Strigidae
 * Megastictus - Thamnophilidae
 * Megatriorchis - Accipitridae
 * Megaxenops - Furnariidae
 * Megazosterops - Zosteropidae
 * Meiglyptes - Picidae

Mel

 * Melaenornis
 * Melampitta
 * Melamprosops
 * Melanerpes
 * Melaniparus
 * Melanitta
 * Melanocharis
 * Melanochlora
 * Melanocorypha
 * Melanodera
 * Melanodryas
 * Melanopareia
 * Melanoperdix
 * Melanoptila
 * Melanospiza
 * Melanotis
 * Meleagris
 * Melichneutes
 * Melidectes
 * Melidora
 * Melierax
 * Melignomon
 * Melilestes
 * Meliphaga
 * Melipotes
 * Melithreptus
 * Melitograis
 * Mellisuga
 * Melocichla
 * Melophus
 * Melopsittacus
 * Melopyrrha
 * Melospiza
 * Melozone

Men-Met

 * Menura
 * Merganetta
 * Mergellus
 * Mergus
 * Meropogon
 * Merops
 * Merulaxis
 * Mesembrinibis
 * Mesitornis
 * Metabolus
 * Metallura
 * Metopidius
 * Metopothrix
 * Metriopelia

Mic-Mil

 * Micrastur
 * Micrathene
 * Microbates
 * Microcerculus
 * Microchera
 * Microdynamis
 * Microeca
 * Microgoura
 * Microhierax
 * Microligea
 * Micromacronus
 * Micromonacha
 * Micronisus
 * Microparra
 * Micropsitta
 * Micropygia
 * Microrhopias
 * Microscelis
 * Microstilbon
 * Milvago
 * Milvus

Mim-Mit

 * Mimizuku
 * Mimodes
 * Mimus
 * Minla
 * Mino
 * Mionectes
 * Mirafra
 * Mitrephanes
 * Mitrospingus
 * Mitu

Mn-Mu

 * Mniotilta
 * Modulatrix
 * Moho
 * Mohoua
 * Molothrus
 * Momotus
 * Monachella
 * Monarcha
 * Monasa
 * Monias
 * Monticola
 * Montifringilla
 * Morococcyx
 * Morphnus
 * Morus
 * Motacilla
 * Mulleripicus
 * Muscicapa
 * Muscicapella
 * Muscigralla
 * Muscipipra
 * Muscisaxicola
 * Musophaga

My

 * Myadestes
 * Mycerobas
 * Mycteria
 * Myiagra
 * Myiarchus
 * Myiobius
 * Myioborus
 * Myiodynastes
 * Myiopagis
 * Myioparus
 * Myiophobus
 * Myiopsitta
 * Myiornis
 * Myiotheretes
 * Myiotriccus
 * Myiozetetes
 * Myophonus
 * Myornis
 * Myrmeciza
 * Myrmecocichla
 * Myrmia
 * Myrmoborus
 * Myrmochanes
 * Myrmorchilus
 * Myrmornis
 * Myrmothera
 * Myrmotherula
 * Myrtis
 * Mystacornis
 * Myza
 * Myzomela
 * Myzornis

Na

 * Namibornis
 * Nandayus
 * Nannococcyx
 * Nannopsittaca
 * Napothera
 * Nasica

Nea-Nem

 * Neafrapus
 * Necropsar
 * Necropsittacus
 * Necrosyrtes
 * Nectarinia
 * Nemosia

Neo

 * Neochelidon
 * Neochen
 * Neochmia
 * Neocichla
 * Neocossyphus
 * Neocrex
 * Neoctantes
 * Neodrepanis
 * Neolalage
 * Neolestes
 * Neomixis
 * Neomorphus
 * Neopelma
 * Neophema
 * Neophron
 * Neopipo
 * Neopsephotus
 * Neopsittacus
 * Neorhopias
 * Neositta
 * Neospiza
 * Neothraupis
 * Neotis
 * Neoxolmis

Nep-New

 * Nephelornis
 * Nesasio
 * Nesillas
 * Nesocharis
 * Nesocichla
 * Nesoclopeus
 * Nesoctites
 * Nesoenas
 * Nesofregetta
 * Nesomimus
 * Nesopsar
 * Nesospingus
 * Nesospiza
 * Nesotriccus
 * Nestor
 * Netta
 * Nettapus
 * Newtonia

Ni-Nu

 * Nicator
 * Nigrita
 * Nilaus
 * Niltava
 * Ninox
 * Nipponia
 * Nomonyx
 * Nonnula
 * Northiella
 * Notharchus
 * Nothocercus
 * Nothocrax
 * Nothoprocta
 * Nothura
 * Notiochelidon
 * Notiomystis
 * Nucifraga
 * Numenius
 * Numida

Ny

 * Nyctanassa
 * Nyctibius
 * Nycticorax
 * Nycticryphes
 * Nyctidromus
 * Nyctiphrynus
 * Nyctiprogne
 * Nyctyornis
 * Nymphicus
 * Nystalus

Oc-Od

 * Oceanites
 * Oceanodroma
 * Ochetorhynchus
 * Ochthoeca
 * Ochthornis
 * Ocreatus
 * Oculocincta
 * Ocyalus
 * Ocyceros
 * Ocyphaps
 * Odontophorus
 * Odontorchilus
 * Odontospiza
 * Oedistoma

Oe-Op

 * Oena
 * Oenanthe
 * Ognorhynchus
 * Oncostoma
 * Onychognathus
 * Onychorhynchus
 * Ophrysia
 * Opisthocomus
 * Opisthoprora
 * Oporornis

Orc-Ore

 * Orchesticus
 * Oreocharis
 * Oreoica
 * Oreomanes
 * Oreomystis
 * Oreonympha
 * Oreophasis
 * Oreophilais
 * Oreopholus
 * Oreophylax
 * Oreopsittacus
 * Oreornis
 * Oreortyx
 * Oreoscoptes
 * Oreoscopus
 * Oreostruthus
 * Oreothraupis
 * Oreotrochilus

Ori-Ory

 * Origma
 * Oriolia
 * Oriolus
 * Oriturus
 * Ornithion
 * Oroaetus
 * Ortalis
 * Orthogonys
 * Orthonyx
 * Orthopsittaca
 * Orthorhynchus
 * Orthotomus
 * Ortygospiza
 * Ortyxelos
 * Oryzoborus

Ot-Ox

 * Otidiphaps
 * Otis
 * Otus
 * Oxylabes
 * Oxypogon
 * Oxyruncus
 * Oxyura

Pac-Pan

 * Pachycare
 * Pachycephala
 * Pachycephalopsis
 * Pachycoccyx
 * Pachyornis
 * Pachyphantes
 * Pachyptila
 * Pachyramphus
 * Padda
 * Pagodroma
 * Pagophila
 * Palmeria
 * Paludipasser
 * Pandion
 * Panterpe
 * Panurus
 * Panyptila

Pap-Par

 * Papasula
 * Parabuteo
 * Paradigalla
 * Paradisaea
 * Paradoxornis
 * Paramythia
 * Pardaliparus
 * Pardalotus
 * Pardirallus
 * Parisoma
 * Parkerthraustes
 * Parmoptila
 * Paroaria
 * Parophasma
 * Paroreomyza
 * Parotia
 * Parus

Pas-Pav

 * Passer
 * Passerculus
 * Passerella
 * Passerina
 * Pastor
 * Patagioenas
 * Patagona
 * Pauxi
 * Pavo

Ped-Pen

 * Pedionomus
 * Pelagodroma
 * Pelargopsis
 * Pelecanoides
 * Pelecanus
 * Pellorneum
 * Peltohyas
 * Peltops
 * Penelope
 * Penelopides
 * Penelopina
 * Peneothello

Per-Pez

 * Percnostola
 * Perdicula
 * Perdix
 * Pericrocotus
 * Periparus
 * Periporphyrus
 * Perisoreus
 * Perissocephalus
 * Pernis
 * Petrochelidon
 * Petroica
 * Petronia
 * Petrophassa
 * Peucedramus
 * Pezopetes
 * Pezoporus

Pha

 * Phacellodomus
 * Phaenicophaeus
 * Phaenicophilus
 * Phaenostictus
 * Phaeochroa
 * Phaeomyias
 * Phaethon
 * Phaethornis
 * Phaetusa
 * Phainopepla
 * Phainoptila
 * Phalacrocorax
 * Phalaenoptilus
 * Phalaropus
 * Phalcoboenus
 * Phapitreron
 * Phaps
 * Pharomachrus
 * Phasianus

Phe-Phi

 * Phedina
 * Phegornis
 * Phelpsia
 * Pheucticus
 * Phibalura
 * Phigys
 * Philemon
 * Philentoma
 * Philepitta
 * Philesturnus
 * Philetairus
 * Philohydor
 * Philomachus
 * Philortyx
 * Philydor
 * Phimosus

Phl-Pho

 * Phlegopsis
 * Phleocryptes
 * Phlogophilus
 * Phodilus
 * Phoebastria
 * Phoebetria
 * Phoenicircus
 * Phoenicopterus
 * Phoeniculus
 * Phoenicurus
 * Pholia
 * Pholidornis

Phr-Phy

 * Phrygilus
 * Phylidonyris
 * Phyllanthus
 * Phyllastrephus
 * Phyllolais
 * Phyllomyias
 * Phylloscartes
 * Phylloscopus
 * Phytotoma

Pi

 * Piaya
 * Pica
 * Picathartes
 * Picoides
 * Piculus
 * Picumnus
 * Picus
 * Piezorhina
 * Pilherodius
 * Pinarocorys
 * Pinaroloxias
 * Pinarornis
 * Pinicola
 * Pionites
 * Pionopsitta
 * Pionus
 * Pipile
 * Pipilo
 * Pipra
 * Pipraeidea
 * Pipreola
 * Piprites
 * Piranga
 * Pitangus
 * Pithecophaga
 * Pithys
 * Pitohui
 * Pitta
 * Pittasoma
 * Pityriasis

Pl-Pn

 * Platalea
 * Platycercus
 * Platycichla
 * Platylophus
 * Platyrinchus
 * Platysmurus
 * Platysteira
 * Plectrophenax
 * Plectropterus
 * Plectrorhyncha
 * Plegadis
 * Plocepasser
 * Ploceus
 * Pluvialis
 * Pluvianellus
 * Pluvianus
 * Pnoepyga

Pod-Poi

 * Podager
 * Podargus
 * Podica
 * Podiceps
 * Podilymbus
 * Podoces
 * Poecile
 * Poecilodryas
 * Poecilotriccus
 * Poeoptera
 * Poephila
 * Pogoniulus
 * Pogonocichla
 * Pogonotriccus
 * Poicephalus

Pol

 * Polemaetus
 * Polihierax
 * Poliocephalus
 * Poliolais
 * Polioptila
 * Polioxolmis
 * Polyboroides
 * Polyerata
 * Polyonymus
 * Polyplectron
 * Polysticta
 * Polystictus
 * Polytelis
 * Polytmus

Pom-Por

 * Pomarea
 * Pomatorhinus
 * Pomatostomus
 * Pooecetes
 * Poospiza
 * Popelairia
 * Porphyrio
 * Porphyrolaema
 * Porphyrospiza
 * Porzana

Pr

 * Premnoplex
 * Premnornis
 * Primolius
 * Prinia
 * Prioniturus
 * Prionochilus
 * Prionodura
 * Prionops
 * Priotelus
 * Probosciger
 * Procellaria
 * Procelsterna
 * Procnias
 * Prodotiscus
 * Progne
 * Promerops
 * Prosobonia
 * Prosopeia
 * Prosthemadera
 * Protonotaria
 * Prunella

Psa

 * Psalidoprocne
 * Psaltria
 * Psaltriparus
 * Psarisomus
 * Psarocolius

Pse

 * Pselliophorus
 * Psephotus
 * Pseudalaemon
 * Pseudelaenia
 * Pseudeos
 * Pseudhirundo
 * Pseudibis
 * Pseudobias
 * Pseudocalyptomena
 * Pseudochelidon
 * Pseudochloroptila
 * Pseudocolaptes
 * Pseudocolopteryx
 * Pseudocossyphus
 * Pseudodacnis
 * Pseudoleistes
 * Pseudonestor
 * Pseudonigrita
 * Pseudopodoces
 * Pseudoscops
 * Pseudoseisura
 * Pseudotriccus

Psi-Pso

 * Psilopogon
 * Psilopsiagon
 * Psilorhamphus
 * Psittacella
 * Psittacula
 * Psittaculirostris
 * Psittacus
 * Psitteuteles
 * Psittinus
 * Psittirostra
 * Psittrichas
 * Psophia
 * Psophocichla
 * Psophodes

Pte

 * Pteridophora
 * Pterocles
 * Pterodroma
 * Pteroglossus
 * Pteronetta
 * Pterophanes
 * Pteroptochos
 * Pteruthius

Pti-Pty

 * Ptilinopus
 * Ptilocichla
 * Ptilogonys
 * Ptilonorhynchus
 * Ptilopachus
 * Ptiloprora
 * Ptilopsis
 * Ptiloris
 * Ptilorrhoa
 * Ptilostomus
 * Ptychoramphus
 * Ptyonoprogne
 * Ptyrticus

Pu

 * Pucrasia
 * Puffinus
 * Pulsatrix
 * Purpureicephalus

Py

 * Pycnonotus
 * Pycnoptilus
 * Pycnopygius
 * Pygarrhichas
 * Pygiptila
 * Pygoscelis
 * Pyrenestes
 * Pyriglena
 * Pyrocephalus
 * Pyroderus
 * Pyrrhocoma
 * Pyrrhocorax
 * Pyrrholaemus
 * Pyrrhomyias
 * Pyrrhoplectes
 * Pyrrhula
 * Pyrrhura
 * Pyrroglaux
 * Pytilia

Q

 * Quelea - Ploceidae
 * Querula - Cotingidae
 * Quiscalus - Icteridae

Ra-Re

 * Radjah - Anatidae
 * Rallicula - Sarothruridae
 * Rallina - Rallidae
 * Rallus - Rallidae
 * Ramphastos - Ramphastidae
 * Ramphocaenus - Polioptilidae
 * Ramphocelus - Thraupidae
 * Ramphocinclus - Mimidae
 * Ramphocoris - Alaudidae
 * Ramphodon - Trochilidae
 * Ramphomicron - Trochilidae
 * Ramphotrigon - Tyrannidae
 * Ramsayornis - Meliphagidae
 * Randia - Bernieridae
 * Recurvirostra - Recurvirostridae
 * Regulus - Regulidae
 * Reinwardtipicus - Picidae
 * Reinwardtoena - Columbidae
 * Remiz - Remizidae

Rha-Rhi

 * Rhabdornis - Sturnidae
 * Rhabdotorrhinus - Bucerotidae
 * Rhadina - Phylloscopidae
 * Rhagologus - Rhagologidae
 * Rhamphocharis - Melanocharitidae
 * Rhamphococcyx - Cuculidae
 * Rhaphidura - Apodidae
 * Rhea - Rheidae
 * Rhegmatorhina - Thamnophilidae
 * Rheinardia - Phasianidae
 * Rhinocrypta - Rhinocryptidae
 * Rhinoplax - Bucerotidae
 * Rhinopomastus - Phoeniculidae
 * Rhinoptilus - Glareolidae
 * Rhinortha - Cuculidae
 * Rhipidura - Rhipiduridae
 * "Rhipidura" - Rhipiduridae
 * Rhizothera - Phasianidae

Rho-Rhy

 * Rhodacanthis - Fringillidae
 * Rhodinocichla - Rhodinocichlidae
 * Rhodonessa - Anatidae
 * Rhodopechys - Fringillidae
 * Rhodopis - Trochilidae
 * Rhodospiza - Fringillidae
 * Rhodostethia - Laridae
 * Rhodothraupis - Cardinalidae
 * Rhopias - Thamnophilidae
 * Rhopocichla - Timaliidae
 * Rhopophilus - Paradoxornithidae
 * Rhopornis - Thamnophilidae
 * Rhopospina - Thraupidae
 * Rhynchocyclus - Rhynchocyclidae
 * Rhynchophanes - Calcariidae
 * Rhynchopsitta - Psittacidae
 * Rhynchortyx - Odontophoridae
 * Rhynchospiza - Arremonidae
 * Rhynchostruthus - Fringillidae
 * Rhynchotus - Tinamidae
 * Rhynochetos - Rhynochetidae
 * Rhyticeros - Bucerotidae
 * Rhytipterna - Tyrannidae

Ri-Ry

 * Ridgwayia - Turdidae
 * Rigidipenna - Podargidae
 * Rimator - Pellorneidae
 * Riparia - Hirundinidae
 * Rissa - Laridae
 * Robsonius - Locustellidae
 * Rollulus - Phasianidae
 * Roraimia - Furnariidae
 * Rostratula - Rostratulidae
 * Rostrhamus - Accipitridae
 * Rougetius - Rallidae
 * Rowettia - Thraupidae
 * Rubigula - Pycnonotidae
 * Rufirallus - Rallidae
 * Rukia - Zosteropidae
 * Rupicola - Cotingidae
 * Rupornis - Accipitridae
 * Rynchops - Laridae

Sa

 * Sagittarius - Sagittariidae
 * Sakesphorus - Thamnophilidae
 * Salpinctes - Troglodytidae
 * Salpornis - Sittidae
 * Saltator - Thraupidae
 * Saltatricula - Thraupidae
 * Salvadorina - Anatidae
 * Sapayoa - Sapayoidae
 * Sappho - Trochilidae
 * Sarcogyps - Accipitridae
 * Sarcophanops - Eurylaimidae
 * Sarcops - Sturnidae
 * Sarcoramphus - Cathartidae
 * Sarkidiornis - Anatidae
 * Saroglossa - Sturnidae
 * Sarothrura - Sarothruridae
 * Sasia - Picidae
 * Satrapa - Tyrannidae
 * Saucerottia - Trochilidae
 * Saundersilarus - Laridae
 * Saxicola - Muscicapidae
 * Saxicoloides - Muscicapidae
 * Sayornis - Tyrannidae

Sc

 * Sceloglaux - Strigidae
 * Scelorchilus - Rhinocryptidae
 * Scenopoeetes - Ptilonorhynchidae
 * Scepomycter - Cisticolidae
 * Schetba - Vangidae
 * Schiffornis - Tityridae
 * Schistes - Trochilidae
 * Schistochlamys - Thraupidae
 * Schistolais - Cisticolidae
 * Schoeniclus - Emberizidae
 * Schoenicola - Locustellidae
 * Schoeniophylax - Furnariidae
 * Schoeniparus - Pellorneidae
 * Schoutedenapus - Apodidae
 * Sciaphylax - Thamnophilidae
 * Scissirostrum - Sturnidae
 * Sclateria - Thamnophilidae
 * Scleroptila - Phasianidae
 * Sclerurus - Furnariidae
 * Scolopax - Scolopacidae
 * Scopus - Scopidae
 * Scotocerca - Cettiidae
 * Scotopelia - Strigidae
 * Scytalopus - Rhinocryptidae
 * Scythrops - Cuculidae

Se

 * Seicercus - Phylloscopidae
 * Seiurus - Parulidae
 * Selasphorus - Trochilidae
 * "Selenidera" - Ramphastidae
 * Selenidera - Ramphastidae
 * Seleucidis - Paradisaeidae
 * Semioptera - Paradisaeidae
 * Semnornis - Semnornithidae
 * Sephanoides - Trochilidae
 * Sericornis - Pardalotidae
 * Sericossypha - Thraupidae
 * Sericulus - Ptilonorhynchidae
 * Serilophus - Eurylaimidae
 * Serinus - Fringillidae
 * Serpophaga - Tyrannidae
 * Setophaga - Parulidae
 * Setornis - Pycnonotidae

Sh-So

 * Sheppardia - Muscicapidae
 * Sholicola - Muscicapidae
 * Sialia - Turdidae
 * Sibia - Leiothrichidae
 * Sibirionetta - Anatidae
 * Sicalis - Thraupidae
 * Silvicultrix - Tyrannidae
 * Siphonorhis - Caprimulgidae
 * Sipia - Thamnophilidae
 * Sipodotus - Maluridae
 * Siptornis - Furnariidae
 * Sirystes - Tyrannidae
 * Sitta - Sittidae
 * Sittasomus - Furnariidae
 * Sittiparus - Paridae
 * Siva - Leiothrichidae
 * Smicrornis - Pardalotidae
 * Smithiglaux - Strigidae
 * Smithornis - Smithornithidae
 * Snowornis - Cotingidae
 * Somateria - Anatidae

Sp

 * Spartonoica - Furnariidae
 * Speculipastor - Sturnidae
 * Spatula - Anatidae
 * Speculanas - Anatidae
 * Spelaeornis - Timaliidae
 * Spermestes - Estrildidae
 * Spermophaga - Estrildidae
 * Sphecotheres - Oriolidae
 * Spheniscus - Spheniscidae
 * Sphenoeacus - Macrosphenidae
 * Sphenopsis - Thraupidae
 * Sphenostoma - Psophodidae
 * Sphyrapicus - Picidae
 * Spilopelia - Columbidae
 * Spiloptila - Cisticolidae
 * Spilornis - Accipitridae
 * Spindalis - Phaenicophilidae
 * Spinus - Fringillidae
 * Spiza - Cardinalidae
 * Spizaetus - Accipitridae
 * Spizella - Arremonidae
 * Spizelloides - Arremonidae
 * Spiziapteryx - Falconidae
 * Spizixos - Pycnonotidae
 * Spizocorys - Alaudidae
 * Spodiopsar - Sturnidae
 * Sporagra - Fringillidae
 * Sporathraupis - Thraupidae
 * Sporophila - Thraupidae
 * Sporopipes - Ploceidae

St

 * Stachyris - Timaliidae
 * Stactolaema - Lybiidae
 * Stagonopleura - Estrildidae
 * Staphida - Zosteropidae
 * Starnoenas - Columbidae
 * Steatornis - Steatornithidae
 * Stelgidillas - Pycnonotidae
 * Stelgidopteryx - Hirundinidae
 * Stenostira - Stenostiridae
 * Stephanoaetus - Accipitridae
 * Stephanophorus - Thraupidae
 * Stephanoxis - Trochilidae
 * Stercorarius - Stercorariidae
 * Sterna - Laridae
 * Sternoclyta - Trochilidae
 * Sternula - Laridae
 * Sterrhoptilus - Zosteropidae
 * Sthenelides - Anatidae
 * Stictonetta - Anatidae
 * Stigmatura - Tyrannidae
 * Stiphrornis - Muscicapidae
 * Stipiturus - Maluridae
 * Strepera - Artamidae
 * Streptocitta - Sturnidae
 * Streptopelia - Columbidae
 * Streptoprocne - Apodidae
 * Stresemannia - Meliphagidae
 * Strigops - Strigidae
 * Strix - Strigidae
 * Struthidea - Corcoracidae
 * Sturnella - Icteridae
 * Sturnia - Sturnidae
 * Sturnornis - Sturnidae
 * Sturnus - Sturnidae

Su-Sy

 * Sublegatus - Tyrannidae
 * Sugomel - Meliphagidae
 * Suiriri - Tyrannidae
 * Sula - Sulidae
 * Surnia - Strigidae
 * Surniculus - Cuculidae
 * Suthora - Paradoxornithidae
 * Swynnertonia - Muscicapidae
 * Sylvia - Sylviidae
 * Sylvietta - Macrosphenidae
 * Sylviorthorhynchus - Furnariidae
 * Sylviparus - Paridae
 * Syma - Alcedinidae
 * Synallaxis - Furnariidae
 * Syndactyla - Furnariidae
 * Synoicus - Phasianidae
 * Synthliboramphus - Alcidae
 * Sypheotides - Otidae
 * Syrigma - Ardeidae
 * Syrmaticus - Phasianidae
 * Syrrhaptes - Pteroclidae

Ta-Tc

 * Taccocua - Cuculidae
 * Tachornis - Apodidae
 * Tachuris - Tachuridae
 * Tachybaptus - Podicipedidae
 * Tachycineta - Hirundinidae
 * Tachyeres - Anatidae
 * Tachymarptis - Apodidae
 * Tachyphonus - Thraupidae
 * Tachyspiza - Accipitridae
 * Tadorna - Anatidae
 * Taenioglaux - Strigidae
 * Taeniopygia - Estrildidae
 * Taeniotriccus - Rhynchocyclidae
 * Talaphorus - Trochilidae
 * Talegalla - Megapodidae
 * Tangara - Thraupidae
 * Tanygnathus - Psittaculidae
 * Tanysiptera - Alcedinidae
 * Taoniscus - Tinamidae
 * Tapera - Cuculidae
 * Taphrolesbia - Trochilidae
 * Taraba - Thamnophilidae
 * Tarphonomus - Furnariidae
 * Tarsiger - Muscicapidae
 * Tauraco - Musophagidae
 * Tchagra - Malaconotidae

Te

 * Telacanthura - Apodidae
 * Teledromas - Rhinocryptidae
 * Telespiza - Fringillidae
 * Telophorus - Malaconotidae
 * Temnurus - Corvidae
 * Tephrodornis - Vangidae
 * Terathopius - Accipitridae
 * Terenotriccus - Onychorhynchidae
 * Terenura - Thamnophilidae
 * Teretistris - incertae sedis
 * Terpsiphone - Monarchidae
 * Tersina - Thraupidae
 * Tesia - Cettiidae
 * Tetrao - Phasianidae
 * Tetraogallus - Phasianidae
 * Tetraophasis - Phasianidae
 * Tetrax - Otididae
 * Textor - Ploceidae

Th

 * Thalassarche - Diomedeidae
 * Thalasseus - Laridae
 * Thalassoica - Procellariidae
 * Thalassornis - Anatidae
 * Thalurania - Trochilidae
 * Thamnistes - Thamnophilidae
 * Thamnolaea - Muscicapidae
 * Thamnomanes - Thamnophilidae
 * Thamnophilus - Thamnophilidae
 * Thamnornis - Bernieridae
 * Thapsinillas - Pycnonotidae
 * Thaumasius - Trochilidae
 * Thaumastura - Trochilidae
 * Thectocercus - Psittacidae
 * Theristicus - Threskiornithidae
 * Thescelocichla - Pycnonotidae
 * Thinocorus - Thinocoridae
 * Thinornis - Charadriidae
 * Thlypopsis - Thraupidae
 * Threnetes - Trochilidae
 * Threskiornis - Threskiornithidae
 * Thripadectes - Furnariidae
 * Thripophaga - Furnariidae
 * Thryomanes - Troglodytidae
 * Thryophilus - Troglodytidae
 * Thryorchilus - Troglodytidae
 * Thryothorus - Troglodytidae

Ti-Tm

 * Tiaris - Thraupidae
 * Tichodroma - Tichodromidae
 * Tickellia - Cettiidae
 * Tigriornis - Ardeidae
 * Tigrisoma - Ardeidae
 * Tilmatura - Trochilidae
 * Timalia - Timaliidae
 * Timeliopsis - Meliphagidae
 * Tinamotis - Tinamidae
 * Tinamus - Tinamidae
 * Titiza - Acrocephalidae
 * Tityra - Tityridae
 * Tmetothylacus - Motacillidae

To

 * Tockus - Bucerotidae
 * Todiramphus - Alcedinidae
 * Todirostrum - Rhynchocyclidae
 * Todus - Todidae
 * Tolmomyias - Rhynchocyclidae
 * Topaza- Trochilidae
 * Torgos - Accipitridae
 * Torreornis - Arremonidae
 * Touit - Psittacidae
 * Toxorhamphus - Melanocharitidae
 * Toxostoma - Mimidae

Tr

 * Trachylaemus - Lybiidae
 * Trachyphonus - Lybiidae
 * Tragopan - Phasianidae
 * Treron - Columbidae
 * Tribonyx - Rallidae
 * Trichastoma - Pellorneidae
 * Trichixos - Muscicapidae
 * Trichoglossus - Psittaculidae
 * Tricholaema - Lybiidae
 * Tricholestes - Pycnonotidae
 * Trichothraupis - Thraupidae
 * Triclaria - Psittacidae
 * Trigonoceps - Accipitridae
 * Tringa - Scolopacidae
 * Trochilus - Trochilidae
 * Trochocercus - Monarchidae
 * Troglodytes - Troglodytidae
 * Trogon - Trogonidae
 * Tropicoperdix - Phasianidae
 * Tropicranus - Bucerotidae
 * Trugon - Columbidae

Tu-Ty

 * Tunchiornis - Vireonidae
 * Turacoena - Columbidae
 * Turdoides - Pellorneidae
 * Turdus - Turdidae
 * Turnagra - Oriolidae
 * Turnix - Turnicidae
 * Turtur - Columbidae
 * Tylas - Vangidae
 * Tympanuchus - Phasianidae
 * Tyranneutes - Pipridae
 * Tyranniscus - Tyrannidae
 * Tyrannopsis - Tyrannidae
 * Tyrannulus - Tyrannidae
 * Tyrannus - Tyrannidae
 * Tyto - Tytonidae

U

 * Upucerthia - Furnariidae
 * Upupa - Upupidae
 * Uraeginthus - Estrildidae
 * Uratelornis - Brachypteraciidae
 * Uria - Alcidae
 * Urochroa - Trochilidae
 * Urocissa - Corvidae
 * Urocolius - Coliidae
 * Urocynchramus - Urocynchramidae
 * Urodynamis - Cuculidae
 * Uroglaux - Strigidae
 * Urolais - Cisticolidae
 * Urolestes - Laniidae
 * Uromyias - Tyrannidae
 * Uropelia - Columbidae
 * Uropsila - Troglodytidae
 * Urosphena - Cettiidae
 * Urosticte - Trochilidae
 * Urothraupis - Thraupidae
 * Urotriorchis - Accipitridae

V

 * Vanellus - Charadriidae
 * Vanga - Vangidae
 * Vauriella - Muscicapidae
 * Veles - Caprimulgidae
 * Veniliornis - Picidae
 * Vermivora - Parulidae
 * Verreauxia - Picidae
 * Vidua - Viduidae
 * Vini - Psittaculidae
 * Vireo - Vireonidae
 * Vireolanius - Vireonidae
 * Viridonia - Fringillidae
 * Vivia - Picidae
 * Volatinia - Thraupidae
 * Vosea - Meliphagidae
 * Vultur - Accipitridae

W

 * Wetmorethraupis - Thraupidae
 * Wilsonia - Parulidae
 * Willisornis - Thamnophilidae

X

 * Xanthocephalus - Icteridae
 * Xanthomixis - Bernieridae
 * Xanthomyias - Tyrannidae
 * Xanthonotus - Oriolidae
 * Xanthopsar - Icteridae
 * Xanthotis - Meliphagidae
 * Xema - Laridae
 * Xenerpestes - Furnariidae
 * Xenicus- Acanthisittidae
 * Xenocopsychus - Muscicapidae
 * Xenodacnis - Thraupidae
 * Xenoglaux - Strigidae
 * Xenoligea - Parulidae
 * Xenoperdix - Phasianidae
 * Xenopipo - Pipridae
 * Xenopirostris - Vangidae
 * Xenops - Furnariidae
 * Xenopsaris - Tityridae
 * Xenornis - Thamnophilidae
 * Xenospingus - Thraupidae
 * Xenospiza - Arremonidae
 * Xenotriccus - Tyrannidae
 * Xenus - Scolopacidae
 * Xiphidiopicus - Picidae
 * Xiphocolaptes - Furnariidae
 * Xipholena - Cotingidae
 * Xiphorhynchus - Furnariidae
 * Xolmis - Tyrannidae

Y

 * Yuhina - Zosteropidae
 * Yungipicus - Picidae

Z

 * Zanclostomus - Cuculidae
 * Zanda - Cacatuidae
 * Zapornia - Rallidae
 * Zaratornis - Cotingidae
 * Zavattariornis - Corvidae
 * Zebrilus- Ardeidae
 * Zeledonia - incertae sedis
 * Zenaida - Columbidae
 * Zentrygon - Columbidae
 * Zimmerius - Tyrannidae
 * Zonerodius - Ardeidae
 * Zonibyx - Charadriidae
 * Zonotrichia - Arremonidae
 * Zoonavena - Apodidae
 * Zoothera - Turdidae
 * Zosterops - Zosteropidae
 * Zosterornis - Zosteropidae
 * "Zosterornis" - Zosteropidae

Extinct before 1600s

 * †Aepyornis‎ - Aepyornithidae
 * †Anomalopteryx - Emeidae
 * †Dinornis - Dinornithidae
 * †Emeus - Emeidae
 * †Euryapteryx - Emeidae
 * †Harpagornis - Accipitridae
 * †Megalapteryx - Megalapteryigdae
 * †Mullerornis‎ - Aepyornithidae
 * †Pachyornis - Emeidae
 * †Vorombe - Aepyornithidae

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