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)- Sudan (0 members)
- Suffolk (6 members)
- Sugomel (1 member)
- Suiriri (2 members)
- Sula (6 members)
- Sulidae (3 members)
- Suliformes (4 members)
- Suriname (0 members)
- Surnia (1 member)
- Surniculus (4 members)
- Surrey (5 members)
- Sussex (16 members)
- Suthora (3 members)
- Swaziland (0 members)
- Sweden (39 members)
- Swiss Alps (7 members)
- Swiss Jura (1 member)
- Switzerland (27 members)
- Swynnertonia (1 member)
- Sylvia (30 members)
- Sylvietta (9 members)
- Sylviidae (6 members)
- Sylviorthorhynchus (2 members)
- Sylviparus (1 member)
- Syma (2 members)
- Symposiachrus (19 members)
- Synallaxis (36 members)
- Syndactyla (8 members)
- Synoicus (3 members)
- Synthliboramphus (5 members)
- Sypheotides (1 member)
- Syria (0 members)
- Syrigma (1 member)
- Syrmaticus (5 members)
- Syrrhaptes (2 members)
- Systellura (2 members)
- Taccocua (1 member)
- Tachornis (3 members)
- Tachuris (1 member)
- Tachybaptus (5 members)
- Tachycineta (9 members)
- Tachyeres (4 members)
- Tachymarptis (2 members)
- Tachyphonus (8 members)
- Tadorna (6 members)
- Taenioglaux (0 members)
- Taeniopygia (2 members)
- Taeniotriccus (1 member)
- Taiwan (6 members)
- Tajikistan (0 members)


