- Tacazze Sunbird
- Tambourine Dove
- Tasmanian Nativehen
- Tasmanian Thornbill
- Tawny-flanked Prinia
- Tawny-winged Woodcreeper
- Tawny Eagle
- Tawny Frogmouth
- Tawny Pipit
- Tennessee Warbler
- Thekla's Lark
- Thick-billed Euphonia
- Thick-billed Raven
- Three-banded Courser
- Three-banded Plover
- Three-streaked Tchagra
- Three-striped Warbler
- Torrent Duck
- Torrent Tyrannulet
- Toucan Barbet
- Tree Pipit
- Tricolored Heron
- Tropical Boubou
- Tropical Kingbird
- Tropical Mockingbird
- Tropical Parula
- Trumpeter Hornbill
- Tufted Duck
- Turquoise-browed Motmot