- Tahiti Monarch
- Taiga Flycatcher
- Talamanca Hummingbird
- Tawny Frogmouth
- Tawny Grassbird
- Tawny Pipit
- Temminck's Lark
- Temminck's Stint
- Terek Sandpiper
- Thrush Nightingale
- Tooth-billed Bowerbird
- Torresian Imperial Pigeon
- Townsend's Warbler
- Tree Pipit
- Tree Swallow
- Tricolored Heron
- Tristram's Bunting
- Tristram's Starling
- Tristram's Warbler
- Trumpeter Finch
- Tuamotu Reed Warbler
- Tuamotu Sandpiper
- Tufted Duck
- Tundra Swan