- Taczanowski's Ground-Tyrant
- Taczanowski's Ground-sparrow
- Taczanowski's Ground Sparrow
- Taczanowski's Ground Tyrant
- Taczanowski's Snow-finch
- Taczanowski's Snow Finch
- Taczanowski's Snowfinch
- Taczanowski's Tinamou
- Tadorna
- Tadorna cana
- Tadorna cristata
- Tadorna ferruginea
- Tadorna radjah
- Tadorna tadorna
- Tadorna tadornoides
- Tadorna variegata
- Taenioglaux albertinum
- Taenioglaux capense
- Taenioglaux castanopterum
- Taenioglaux castanotum
- Taenioglaux cuculoides
- Taenioglaux radiatum
- Taenioglaux sjostedti
- Taeniopygia
- Taeniopygia bichenovii
- Taeniopygia bichenovii annulosa
- Taeniopygia bichenovii bichenovii
- Taeniopygia castanotis
- Taeniopygia guttata
- Taeniotriccus
- Taeniotriccus andrei
- Tagula Butcherbird
- Tagula Honeyeater
- Tagula Meliphaga
- Tagula White-eye
- Tagus Estuary
- Tagus Estuary (Tejo Estuary) Portugal
- Tahiti
- Tahiti Flycatcher
- Tahiti Kingfisher
- Tahiti Lorikeet
- Tahiti Monarch
- Tahiti Monarch-flycatcher
- Tahiti Nui and Tahiti Iti(Polynesia Tahiti)
- Tahiti Petrel
- Tahiti Rail
- Tahiti Reed-Warbler
- Tahiti Reed Warbler
- Tahiti Sandpiper
- Tahiti Swiftlet
- Tahitian Kingfisher
- Tahitian Lory
- Tahitian Pigeon
- Tahitian Sandpiper
- Tahitian Swiftlet
- Tai Malimbe
- Taiga Bean-Goose
- Taiga Bean Goose
- Taiga Chickadee
- Taiga Flycatcher
- Tail-banded Hornero
- Tailed Wren-Babbler
- Tailed Wren Babbler
- Taipei Botanical Garden
- Taipei Botanical Garden (Taiwan.)
- Taita Apalis
- Taita Falcon
- Taita Fiscal
- Taita Fiscal Shrike
- Taita Thrush
- Taita White-eye
- Taiwan
- Taiwan Bamboo-Partdrige
- Taiwan Bamboo Partridge
- Taiwan Barbet
- Taiwan Barwing
- Taiwan Blue Magpie
- Taiwan Bush-Warbler
- Taiwan Bush Warbler
- Taiwan Cupwing
- Taiwan Firecrest
- Taiwan Fulvetta
- Taiwan Hwamei
- Taiwan Laughingthrush
- Taiwan Liocichla
- Taiwan Magpie
- Taiwan Partridge
- Taiwan Rosefinch
- Taiwan Rusty Laughingthrush
- Taiwan Scimitar-Babbler
- Taiwan Scimitar Babbler
- Taiwan Sibia
- Taiwan Tit
- Taiwan Whistling-Thrush
- Taiwan Whistling Thrush
- Taiwan Wren-Babbler
- Taiwan Wren Babbler
- Taiwan Yellow Tit
- Taiwan Yuhina
- Tajikistan
- Takahe
- Takern Nature Reserve
- Takern Nature Reserve Sweden
- Talamanca Hummingbird
- Talaud Bush-hen
- Talaud Bush Hen
- Talaud Bushhen
- Talaud Kingfisher
- Talaud Pitta
- Talaud Rail
- Talegalla
- Talegalla cuvieri
- Talegalla fuscirostris
- Talegalla jobiensis
- Taliabu Masked-Owl
- Taliabu Masked Owl
- Taliabu Owl
- Talicada nyseus
- Talking Myna
- Tall-grass Wetland Tapaculo
- Taman Negara
- Taman Negara Kinabalu
- Taman Negara National Park
- Taman Negara National Park Malaysia
- Tamarugo Conebill
- Tamaulipas
- Tamaulipas Crow
- Tamaulipas Pygmy-Owl
- Tamaulipas Pygmy Owl
- Tambopata Reserve
- Tambopata Reserve Peru
- Tambourine Dove
- Tan-breasted Partridge
- Tan-capped Catbird
- Tana River Cisticola
- Tanager
- Tanager-Finch
- Tanager Finch
- Tanagers
- Tanahjampea Blue Flycatcher
- Tang
- Tanganyika Masked-Weaver
- Tangara
- Tangara argyrofenges
- Tangara arthus
- Tangara arthus goodsoni
- Tangara cabanisi
- Tangara callophrys
- Tangara cayana
- Tangara chilensis
- Tangara chrysotis
- Tangara cucullata
- Tangara cyanicollis
- Tangara cyanicollis hannahiae
- Tangara cyanocephala
- Tangara cyanoptera
- Tangara cyanotis
- Tangara cyanoventris
- Tangara desmaresti
- Tangara dowii
- Tangara fastuosa
- Tangara florida
- Tangara fucosa
- Tangara guttata
- Tangara gyrola
- Tangara gyrola bangsi
- Tangara gyrola viridissima
- Tangara heinei
- Tangara icterocephala
- Tangara inornata
- Tangara johannae
- Tangara labradorides
- Tangara larvata
- Tangara lavinia
- Tangara mexicana
- Tangara mexicana vieilloti
- Tangara meyerdeschauenseei
- Tangara nigrocincta
- Tangara nigroviridis
- Tangara nigroviridis cyanescens
- Tangara palmarum
- Tangara palmeri
- Tangara parzudakii
- Tangara peruviana
- Tangara phillipsi
- Tangara preciosa
- Tangara punctata
- Tangara ruficervix
- Tangara rufigenis
- Tangara rufigula
- Tangara sayaca
- Tangara schrankii
- Tangara seledon
- Tangara varia
- Tangara vassorii
- Tangara velia
- Tangara velia cyanomelas
- Tangara viridicollis
- Tangara vitriolina
- Tangara xanthocephala
- Tangara xanthogastra
- Tangkoko
- Tangkoko-Batuangus Dua Saudara
- Tangkoko Batuangus Nature Reserve
- Tangkoko National Park
- Tangkoko Nature Reserve
- Tangkoko Reserve
- Tanimbar
- Tanimbar Boobook
- Tanimbar Bush-Warbler
- Tanimbar Bush Warbler
- Tanimbar Cockatoo
- Tanimbar Corella
- Tanimbar Crow
- Tanimbar Cuckoo-Dove
- Tanimbar Cuckoo Dove
- Tanimbar Flycatcher
- Tanimbar Flyrobin
- Tanimbar Friarbird
- Tanimbar Hawk-Owl
- Tanimbar Hawk Owl
- Tanimbar Islands
- Tanimbar Megapode
- Tanimbar Oriole
- Tanimbar Owl
- Tanimbar Scrubfowl
- Tanimbar Starling
- Tanimbar Triller
- Tanimbars
- Tanna Fruit-Dove
- Tanna Fruit Dove
- Tanna Ground-Dove
- Tanna Ground Dove
- Tanygnathus
- Tanygnathus gramineus
- Tanygnathus lucionensis
- Tanygnathus megalorynchos
- Tanygnathus sumatranus
- Tanysiptera
- Tanysiptera carolinae
- Tanysiptera danae
- Tanysiptera ellioti
- Tanysiptera galatea
- Tanysiptera hydrocharis
- Tanysiptera nigriceps
- Tanysiptera nympha
- Tanysiptera riedelii
- Tanysiptera sylvia
- Tanzania
- Tanzania Masked-Weaver
- Tanzania Masked Weaver
- Tanzania Seedeater
- Tanzanian Masked-Weaver
- Tanzanian Masked Weaver
- Tanzanian Red-billed Hornbill
- Taoniscus
- Taoniscus nanus
- Tapaculo
- Tapaculos
- Tapajos Hermit
- Tapajos Scythebill
- Tapajós Hermit
- Tapera
- Tapera naevia
- Taphrolesbia
- Taphrolesbia griseiventris
- Taphrospilus
- Taphrospilus hypostictus
- Taraba
- Taraba major
- Taraba major semifasciatus
- Tarangire National Park
- Tarictic Hornbill
- Tarim Babbler
- Tarim Ground-Jay
- Tarim Ground Jay
- Tarnasjon Nature Reserve
- Tarnasjon Nature Reserve Sweden
- Tarphonomus
- Tarphonomus certhioides
- Tarphonomus harterti
- Tarsiger
- Tarsiger chrysaeus
- Tarsiger cyanurus
- Tarsiger cyanurus cyanurus
- Tarsiger hyperythrus
- Tarsiger indicus
- Tarsiger indicus formosanus
- Tarsiger johnstoniae
- Tarsiger rufilatus
- Tasman Starling
- Tasmania
- Tasmanian Butcherbird
- Tasmanian Masked-Owl
- Tasmanian Masked Owl
- Tasmanian Native-hen
- Tasmanian Native Hen
- Tasmanian Nativehen
- Tasmanian Scrubwren
- Tasmanian Thornbill
- Tatama Tapaculo
- Tataupa Tinamou
- Tatra National Park
- Tatra National Park Slovakia
- Tauraco
- Tauraco bannermani
- Tauraco corythaix
- Tauraco erythrolophus
- Tauraco fischeri
- Tauraco hartlaubi
- Tauraco leucolophus
- Tauraco leucotis
- Tauraco leucotis donaldsoni
- Tauraco livingstonii
- Tauraco macrorhynchus
- Tauraco persa
- Tauraco porphyreolophus
- Tauraco ruspolii
- Tauraco schalowi
- Tauraco schuettii
- Tautra Island
- Taveta Golden-Weaver
- Taveta Golden Weaver
- Taveta Weaver
- Taveuni Silktail
- Tawitawi Brown-Dove
- Tawitawi Brown Dove
- Tawny-backed Fantail
- Tawny-bellied Babbler
- Tawny-bellied Hermit
- Tawny-bellied Screech-Owl
- Tawny-bellied Screech Owl
- Tawny-bellied Seedeater
- Tawny-bellied screech-owl
- Tawny-breasted Flycatcher
- Tawny-breasted Honeyeater
- Tawny-breasted Myiobius
- Tawny-breasted Parrot-Finch
- Tawny-breasted Parrotfinch
- Tawny-breasted Tinamou
- Tawny-breasted Wren-Babbler
- Tawny-breasted Wren Babbler
- Tawny-browed Owl
- Tawny-capped Euphonia
- Tawny-chested Flycatcher


