Thick-billed Seed-Finch 
Thick-billed seedeater 
Thick-billed siskin 
Thick-billed warbler 
Thicket antpitta 
Thorn-tailed rayadito 
Three-banded warbler 
Three-streaked tchagra 
Three-striped flycatcher 
Three-striped Warbler 
Three-wattled bellbird 
Thrush-like antpitta 
Thrush-like wren 
Tibetan lark 
Tickell's leaf warbler 
Tickells blue-flycatcher 
Ticking doradito 
Tinkling cisticola 
Tiny cisticola 
Tit-like dacnis 
Tomtit 
Tooth-billed bowerbird 
Torrent Tyrannulet 
Townsends solitaire