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)- Thamnolaea (2 members)
- Thamnomanes (4 members)
- Thamnophilidae (54 members)
- Thamnophilus (30 members)
- Thamnornis (1 member)
- Thapsinillas (3 members)
- Thaumastura (1 member)
- Thectocercus (1 member)
- Theristicus (4 members)
- Thescelocichla (1 member)
- Thinocoridae (2 members)
- Thinocorus (2 members)
- Thinornis (2 members)
- Thlypopsis (6 members)
- Thraupidae (107 members)
- Thraupis (8 members)
- Threnetes (3 members)
- Threskiornis (6 members)
- Threskiornithidae (14 members)
- Thripadectes (7 members)
- Thripophaga (5 members)
- Thryomanes (1 member)
- Thryophilus (5 members)
- Thryorchilus (1 member)
- Thryothorus (1 member)
- Tiaris (5 members)
- Tichodroma (1 member)
- Tichodromidae (1 member)
- Tickellia (1 member)
- Tigriornis (1 member)
- Tigrisoma (3 members)
- Tijuca (2 members)
- Tilmatura (1 member)
- Timalia (1 member)
- Timaliidae (13 members)
- Timeliopsis (2 members)
- Timixos (3 members)
- Timor-Leste (1 member)
- Tinamidae (9 members)
- Tinamiformes (1 member)
- Tinamotis (2 members)
- Tinamus (5 members)
- Tityra (3 members)
- Tityridae (7 members)
- Tmetothylacus (1 member)
- Tockus (10 members)
- Todidae (1 member)
- Todiramphus (30 members)
- Todirostrum (7 members)
- Todus (5 members)


