- Taiga Bean Goose
- Taiwan Barbet
- Taiwan Blue Magpie
- Taiwan Scimitar Babbler
- Taiwan Vivid Niltava
- Tawny-flanked Prinia
- Tawny Eagle
- Tawny Owl
- Tawny Pipit
- Temminck's Stint
- Terek Sandpiper
- Thick-billed Murre
- Three-banded Plover
- Tickell's Blue Flycatcher
- Torrent Duck
- Toucan Barbet
- Tree Pipit
- Trocaz Pigeon
- Tufted Duck
- Tundra Swan
- Turkey Vulture