- Tacazze Sunbird
- Taiga Bean Goose
- Taita Fiscal
- Taita Thrush
- Taita White-eye
- Tambourine Dove
- Tawny-capped Euphonia
- Tawny-flanked Prinia
- Tawny-shouldered Blackbird
- Tawny Eagle
- Tawny Owl
- Tawny Pipit
- Temminck's Courser
- Temminck's Lark
- Temminck's Stint
- Tennessee Warbler
- Terek Sandpiper
- Thekla's Lark
- Thick-billed Flowerpecker
- Thick-billed Lark
- Thick-billed Seed Finch
- Thick-billed Seedeater
- Thick-billed Weaver
- Thorn-tailed Rayadito
- Three-banded Courser
- Three-banded Plover
- Three-streaked Tchagra
- Thrush Nightingale
- Tickell's Blue Flycatcher
- Tiny Cisticola
- Tooth-billed Tanager
- Toro Olive Greenbul
- Townsend's Warbler
- Tree Pipit
- Tricolored Heron
- Tricolored Munia
- Trilling Cisticola
- Trilling Gnatwren
- Tristram's Warbler
- Tropical Boubou
- Tropical Gnatcatcher
- Tropical Kingbird
- Tropical Mockingbird
- Tropical Parula
- Tropical Royal Flycatcher
- Tropical Screech Owl
- Trumpeter Finch
- Trumpeter Hornbill
- Tsavo Sunbird
- Tufted Duck
- Tufted Tit-Tyrant
- Tundra Swan
- Turkey Vulture
- Turquoise-browed Motmot
- Twite