The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
(first | last) View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)- Abeillia (1 member)
- Abroscopus (3 members)
- Aburria (1 member)
- Acanthagenys (1 member)
- Acanthidops (1 member)
- Acanthis (3 members)
- Acanthisitta (1 member)
- Acanthisittidae (3 members)
- Acanthiza (14 members)
- Acanthizidae (15 members)
- Acanthoptila (1 member)
- Acanthorhynchus (2 members)
- Acanthornis (1 member)
- Accipiter (47 members)
- Accipitridae (74 members)
- Accipitriformes (4 members)
- Aceros (1 member)
- Acestrura (0 members)
- Achaetops (1 member)
- Acridotheres (11 members)
- Acritillas (1 member)
- Acrobatornis (1 member)
- Acrocephalidae (7 members)
- Acrocephalus (42 members)
- Acropternis (1 member)
- Acryllium (1 member)
- Actenoides (6 members)
- Actinodura (8 members)
- Actitis (2 members)
- Actophilornis (2 members)
- Adelomyia (1 member)
- Aechmophorus (2 members)
- Aechmorhynchus (1 member)
- Aegithalidae (3 members)
- Aegithalos (9 members)
- Aegithina (4 members)
- Aegithinidae (1 member)
- Aegolius (4 members)
- Aegotheles (9 members)
- Aegothelidae (2 members)
- Aegypius (1 member)
- Aenigmatolimnas (0 members)
- Aepyornis (1 member)
- Aepypodius (2 members)
- Aerodramus (28 members)
- Aeronautes (3 members)
- Aethia (4 members)
- Aethopyga (22 members)
- Afghanistan (0 members)
- Africa (63 members)
- Afropavo (1 member)
- Afrotis (2 members)
- Agamia (1 member)
- Agapornis (9 members)
- Agelaioides (2 members)
- Agelaius (5 members)
- Agelastes (2 members)
- Agelasticus (3 members)
- Aglaeactis (4 members)
- Aglaiocercus (3 members)
- Agraphospiza (1 member)
- Agricola (2 members)
- Agriocharis (0 members)
- Agriornis (5 members)
- Agropsar (2 members)
- Agyrtria (0 members)
- Aidemosyne (1 member)
- Ailuroedus (10 members)
- Aimophila (3 members)
- Aix (2 members)
- Ajaia (1 member)
- Akialoa (4 members)
- Akletos (2 members)
- Alabama (1 member)
- Alaemon (2 members)
- Alario (0 members)
- Alaska (2 members)
- Alauda (4 members)
- Alaudala (5 members)
- Alaudidae (22 members)
- Albania (2 members)
- Alberta (9 members)
- Alca (1 member)
- Alcedinidae (20 members)
- Alcedo (12 members)
- Alcidae (11 members)
- Alcippe (19 members)
- Aleadryas (1 member)
- Alectoris (7 members)
- Alectroenas (4 members)
- Alectrurus (2 members)
- Alectura (1 member)
- Alethe (2 members)
- Algarve (3 members)
- Algeria (0 members)
- Alipiopsitta (1 member)
- Alisterus (3 members)
- Alle (1 member)
- Allenia (1 member)
- Alopecoenas (0 members)
- Alophoixus (9 members)
- Alopochelidon (1 member)
- Alopochen (1 member)
- Amadina (2 members)
- Amalocichla (2 members)
- Amandava (3 members)
- Amaurocichla (0 members)
- Amaurolimnas (1 member)
- Amaurornis (6 members)
- Amaurospiza (3 members)
- Amazilia (5 members)
- Amazilis (1 member)
- Amazona (31 members)
- Amazonetta (1 member)
- Amblycercus (1 member)
- Amblyornis (4 members)
- Amblyospiza (1 member)
- Amblyramphus (1 member)
- Ammodramus (3 members)
- Ammomanes (3 members)
- Ammomanopsis (1 member)
- Ammonastes (1 member)
- Ammoperdix (2 members)
- Ammospiza (4 members)
- Ampeliceps (1 member)
- Ampelioides (1 member)
- Ampelion (2 members)
- Ampelornis (1 member)
- Amphilais (0 members)
- Amphispiza (1 member)
- Amphispizopsis (1 member)
- Amytornis (13 members)
- Anabacerthia (5 members)
- Anabathmis (3 members)
- Anabazenops (2 members)
- Anairetes (5 members)
- Analisoma (3 members)
- Anaplectes (2 members)
- Anarhynchus (24 members)
- Anas (30 members)
- Anastomus (2 members)
- Anatidae (55 members)
- Ancistrops (1 member)
- Andigena (4 members)
- Andorra (1 member)
- Androdon (1 member)
- Andropadus (1 member)
- Androphobus (1 member)
- Anglesey (3 members)
- Angola (0 members)
- Anhima (1 member)
- Anhimidae (2 members)
- Anhinga (4 members)
- Anhingidae (1 member)
- Anisognathus (5 members)
- Anodorhynchus (3 members)
- Anomalospiza (1 member)
- Anopetia (1 member)
- Anorrhinus (3 members)
- Anous (5 members)
- Anser (11 members)
- Anseranas (1 member)
- Anseranatidae (2 members)
- Anseriformes (3 members)
- Antarctica (0 members)
- Anthipes (2 members)
- Anthobaphes (1 member)
- Anthocephala (2 members)
- Anthochaera (5 members)
- Anthocincla (0 members)
- Anthornis (2 members)
- Anthoscopus (6 members)
- Anthracoceros (5 members)
- Anthracothorax (8 members)
- Anthreptes (14 members)
- Anthropoides (2 members)
- Anthus (45 members)
- Antigone (4 members)
- Antilophia (2 members)
- Antrostomus (12 members)
- Anumara (1 member)
- Anumbius (1 member)
- Anurolimnas (1 member)
- Anurophasis (0 members)
- Apalis (24 members)
- Apaloderma (3 members)
- Apalopteron (1 member)
- Aphanapteryx (1 member)
- Aphanotriccus (2 members)
- Aphantochroa (1 member)
- Aphelocephala (3 members)
- Aphelocoma (7 members)
- Aphrastura (2 members)
- Aphriza (0 members)
- Aphrodroma (1 member)
- Aplonis (24 members)
- Apodidae (19 members)
- Apodiformes (0 members)
- Aprositornis (1 member)
- Aprosmictus (2 members)
- Aptenodytes (2 members)
- Apterygidae (1 member)
- Apterygiformes (1 member)
- Apteryx (5 members)
- Apus (19 members)
- Aquila (11 members)
- Ara (9 members)
- Arachnothera (13 members)
- Aramidae (1 member)
- Aramides (8 members)
- Aramidopsis (1 member)
- Aramus (1 member)
- Aratinga (6 members)
- Arborophila (18 members)
- Arcanator (1 member)
- Archboldia (1 member)
- Archilochus (2 members)
- Ardea (14 members)
- Ardeidae (22 members)
- Ardenna (7 members)
- Ardeola (6 members)
- Ardeotis (4 members)
- Arenaria (2 members)
- Argentina (11 members)
- Argusianus (1 member)
- Argya (16 members)
- Arizelocichla (8 members)
- Arizona (16 members)
- Arkansas (0 members)
- Armenia (2 members)
- Arremon (20 members)
- Arremonops (4 members)
- Arses (4 members)
- Artamella (1 member)
- Artamidae (6 members)
- Artamus (11 members)
- Artemisiospiza (2 members)
- Artisornis (2 members)
- Artwork Only (57 members)
- Arundinax (1 member)
- Arundinicola (1 member)
- Asarcornis (1 member)
- Asemospiza (2 members)
- Ashbyia (1 member)
- Asia (36 members)
- Asio (9 members)
- Aspatha (1 member)
- Asthenes (28 members)
- Astrapia (5 members)
- Asturina (0 members)