- Tacazze Sunbird
- Taiga Bean Goose
- Taiga Flycatcher
- Tambourine Dove
- Tanimbar Corella
- Tawny-flanked Prinia
- Tawny-shouldered Blackbird
- Tawny Eagle
- Tawny Frogmouth
- Tawny Owl
- Temminck's Tragopan
- Terrestrial Brownbul
- Thick-billed Ground Pigeon
- Thick-billed Murre
- Thick-billed Raven
- Three-banded Plover
- Tiger Shrike
- Toco Toucan
- Topknot Pigeon
- Torresian Crow
- Torresian Imperial Pigeon
- Tractrac Chat
- Tricolored Heron
- Tropical Kingbird
- Tropical Mockingbird
- Tropical Pewee
- Trumpeter Hornbill
- Trumpeter Swan
- Tufted Duck
- Tundra Swan
- Turkey Vulture
- Turquoise-browed Motmot
- Turquoise-fronted Amazon
- Turquoise Parrot
- Turquoise Tanager