- Tahiti Swallow
- Tasmanian Nativehen
- Tawny Frogmouth
- Terek Sandpiper
- Thamnornis
- Thick-billed Fox Sparrow
- Three-banded Plover
- Titicaca Grebe
- Tomtit
- Tooth-billed Bowerbird
- Topknot Pigeon
- Torrent Duck
- Torresian Crow
- Torresian Imperial Pigeon
- Torresian Kingfisher
- Tree Martin
- Tree Swallow
- Tricolored Heron
- Tropical Gnatcatcher
- Tropical Kingbird
- Tropical Mockingbird
- Trumpeter Swan
- Tufted Duck
- Tui
- Turkey Vulture
- Turquoise Tanager