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)- Stagonopleura (3 members)
- Staphida (3 members)
- Starnoenas (1 member)
- Steatornis (1 member)
- Steatornithidae (1 member)
- Stelgidillas (1 member)
- Stelgidopteryx (2 members)
- Stellula (0 members)
- Stenostira (1 member)
- Stenostiridae (4 members)
- Stephanoaetus (1 member)
- Stephanophorus (1 member)
- Stephanoxis (2 members)
- Stercorariidae (2 members)
- Stercorarius (7 members)
- Sterna (13 members)
- Sternidae (0 members)
- Sternoclyta (1 member)
- Sternula (7 members)
- Sterrhoptilus (3 members)
- Stictonetta (1 member)
- Stigmatura (2 members)
- Stiltia (1 member)
- Stiphrornis (1 member)
- Stipiturus (3 members)
- Stizorhina (2 members)
- Stomiopera (2 members)
- Strepera (3 members)
- Streptocitta (2 members)
- Streptopelia (16 members)
- Streptoprocne (5 members)
- Stresemannia (1 member)
- Strigidae (33 members)
- Strigiformes (2 members)
- Strigopidae (2 members)
- Strigops (1 member)
- Strix (18 members)
- Strophocincla (0 members)
- Struthidea (1 member)
- Struthio (2 members)
- Struthionidae (1 member)
- Struthioniformes (1 member)
- Stubs (48 members)
- Sturnella (2 members)
- Sturnia (5 members)
- Sturnidae (40 members)
- Sturnornis (1 member)
- Sturnus (2 members)
- Stymphalornis (1 member)
- Sublegatus (3 members)


