- Tahiti Petrel
- Tawny-flanked Prinia
- Tawny Owl
- Tenerife Blue Chaffinch
- Thekla's Lark
- Thick-billed Murre
- Thick-billed Weaver
- Three-banded Plover
- Tibetan Sand Plover
- Tricolored Heron
- Tristram's Starling
- Trocaz Pigeon
- Tropical Boubou
- Tropical Kingbird
- Tropical Mockingbird
- Tropical Shearwater
- Tufted Duck
- Turkey Vulture
- Twite