The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
(first | last) View (previous 50 | next 50) (20 | 50 | 100 | 250 | 500)- 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 (18 members)
- Alcurus (1 member)
- 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)
