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)- Epthianura (4 members)
- Epthianuridae (2 members)
- Equatorial Guinea (0 members)
- Equipment (198 members)
- Eremalauda (2 members)
- Eremiornis (0 members)
- Eremobius (1 member)
- Eremomela (11 members)
- Eremophila (2 members)
- Eremopsaltria (0 members)
- Eremopterix (8 members)
- Ergaticus (0 members)
- Erinaceus (1 member)
- Eriocnemis (11 members)
- Erithacus (1 member)
- Eritrea (0 members)
- Erpornis (1 member)
- Erythrocercidae (0 members)
- Erythrocercus (3 members)
- Erythrogenys (6 members)
- Erythrogonys (1 member)
- Erythropitta (15 members)
- Erythropygia (0 members)
- Erythrotriorchis (2 members)
- Erythrura (12 members)
- Esacus (2 members)
- Essex (6 members)
- Estonia (2 members)
- Estrilda (11 members)
- Estrildidae (42 members)
- Ethiopia (0 members)
- Euaegotheles (0 members)
- Eubucco (4 members)
- Euchrepomis (4 members)
- Eucometis (1 member)
- Eudocimus (2 members)
- Eudromia (2 members)
- Eudromias (1 member)
- Eudynamys (3 members)
- Eudyptes (7 members)
- Eudyptula (1 member)
- Eugenes (2 members)
- Eugerygone (1 member)
- Eugralla (1 member)
- Eulabeornis (1 member)
- Eulacestoma (1 member)
- Eulacestomatidae (1 member)
- Eulampis (2 members)
- Eulidia (1 member)
- Eulipoa (1 member)