- Tawny-capped Euphonia
- Tawny-shouldered Blackbird
- Tawny-winged Woodcreeper
- Tennessee Warbler
- Thick-billed Euphonia
- Tody Motmot
- Torrent Duck
- Torrent Tyrannulet
- Toucan Barbet
- Tourmaline Sunangel
- Tree Swallow
- Tricolored Heron
- Tricolored Munia
- Trilling Gnatwren
- Tropical Kingbird
- Tropical Mockingbird
- Tropical Screech Owl
- Trumpeter Swan
- Tufted Titmouse
- Tundra Swan
- Turkey Vulture
- Turquoise-browed Motmot
- Turquoise-crowned Hummingbird
- Two-barred Crossbill
- Tyrian Metaltail