- Taiga Flycatcher
- Taita Fiscal
- Talamanca Hummingbird
- Tambourine Dove
- Taveta Weaver
- Tawny-bellied Babbler
- Tawny-bellied Hermit
- Tawny-bellied Seedeater
- Tawny-flanked Prinia
- Tawny-winged Woodcreeper
- Tawny Antpitta
- Tawny Eagle
- Tawny Pipit
- Temminck's Courser
- Temminck's Stint
- Tennessee Warbler
- Terek Sandpiper
- Terrestrial Brownbul
- Thekla's Lark
- Thick-billed Euphonia
- Thick-billed Flowerpecker
- Thick-billed Fox Sparrow
- Thick-billed Saltator
- Thick-billed Weaver
- Three-banded Courser
- Three-banded Plover
- Thrush-like Wren
- Tibetan Sand Plover
- Tickell's Blue Flycatcher
- Tiny Cisticola
- Toco Toucan
- Tooth-billed Tanager
- Torrent Duck
- Torrent Tyrannulet
- Toucan Barbet
- Tourmaline Sunangel
- Tractrac Chat
- Tricolored Heron
- Tricolored Munia
- Trilling Cisticola
- Tropical Boubou
- Tropical Kingbird
- Tropical Mockingbird
- Tropical Parula
- Tropical Screech Owl
- Trumpeter Finch
- Trumpeter Hornbill
- Tsavo Sunbird
- Tufted Duck
- Turkey Vulture
- Turquoise-browed Motmot
- Turquoise-fronted Amazon
- Turquoise Jay
- Turquoise Tanager
- Two-barred Warbler
- Tyrian Metaltail