- Sunda Thrush
- Sunda Treepie
- Sunda Warbler
- Sunda Whistling Thrush
- Sunda Woodpecker
- Sungrebe
- Sunset Lorikeet
- Superb Bird-of-Paradise
- Superb Fairywren
- Superb Fruit Dove
- Superb Lyrebird
- Superb Parrot
- Superb Pitta
- Superb Starling
- Superb Sunbird
- Superciliaried Hemispingus
- Superciliated Wren
- Surf Cinclodes
- Surf Scoter
- Surfbird
- Surlingham Church Marsh
- Surucua Trogon
- Svalbard (Spitzbergen)
- Swahili Sparrow
- Swainson's Flycatcher
- Swainson's Francolin
- Swainson's Hawk
- Swainson's Sparrow
- Swainson's Thrush
- Swainson's Warbler
- Swallow-tailed Bee-eater
- Swallow-tailed Cotinga
- Swallow-tailed Gull
- Swallow-tailed Hummingbird
- Swallow-tailed Kite
- Swallow-tailed Manakin
- Swallow-tailed Nightjar
- Swallow-winged Puffbird
- Swallow Tanager
- Swamp Boubou
- Swamp Flycatcher
- Swamp Francolin
- Swamp Grass Babbler
- Swamp Harrier
- Swamp Nightjar
- Swamp Palm Bulbul
- Swamp Sparrow
- Swan Goose
- Swan Lake National Wildlife Refuge
- Swee Waxbill
- Swierstra's Francolin
- Swift Parrot
- Swinhoe's Minivet
- Swinhoe's Pheasant
- Swinhoe's Rail
- Swinhoe's Snipe
- Swinhoe's Storm Petrel
- Swinhoe's White-eye
- Swiss National Park
- Sword-billed Hummingbird
- Swynnerton's Robin
- Sykes's Lark
- Sykes's Nightjar
- Sykes's Short-toed Lark
- Sykes's Warbler
- Syndicate
- Syrian Serin
- Syrian Woodpecker
- Szczecin Bay
- Szechenyi's Monal-Partridge
- Szeged Fish Ponds
- TC-14E
- TC-17E II AF-S, AF-I Teleconverter
- TC-E17ED
- TC3-ED 3x Teleconverter
- TSN1
- TSN823M & TSN 824M
- TSN 611 27* eye-piece
- TV-85
- Ta'Cenc Cliffs Bird Sanctuary
- Tabasco
- Tablas Drongo
- Tablas Fantail
- Tablas de Daimiel National Park
- Tacarcuna Bush Tanager
- Tacarcuna Tapaculo
- Tacarcuna Warbler
- Tacarcuna Wood Quail
- Tacazze Sunbird
- Tachira Antpitta
- Tacumshin Lake
- Taczanowski's Ground Tyrant
- Taczanowski's Tinamou
- Tagula Butcherbird
- Tagula Honeyeater
- Tagula White-eye
- Tagus Estuary
- Tahiti
- Tahiti Monarch
- Tahiti Petrel
- Tahiti Rail
- Tahiti Reed Warbler
- Tahiti Sandpiper
- Taiga Bean Goose
- Taiga Flycatcher
- Taipei Botanical Garden
- Taita Apalis
- Taita Falcon
- Taita Fiscal
- Taita Thrush
- Taita White-eye
- Taiwan Bamboo Partridge
- Taiwan Barbet
- Taiwan Barwing
- Taiwan Blue Magpie
- Taiwan Bush Warbler
- Taiwan Fulvetta
- Taiwan Hwamei
- Taiwan Partridge
- Taiwan Rosefinch
- Taiwan Scimitar Babbler
- Taiwan Whistling Thrush
- Taiwan Wren-Babbler
- Taiwan Yuhina
- Takahe
- Takern Nature Reserve
- Talamanca Hummingbird
- Talaud Bush-hen
- Talaud Kingfisher
- Talaud Rail
- Taliabu Masked Owl
- Taman Negara National Park
- Tamarugo Conebill
- Tamaulipas
- Tamaulipas Crow
- Tamaulipas Pygmy Owl
- Tambopata Reserve
- Tambourine Dove
- Tan-capped Catbird
- Tana River Cisticola
- Tanager Finch
- Tangkoko Nature Reserve
- Tanimbar Boobook
- Tanimbar Bush Warbler
- Tanimbar Corella
- Tanimbar Cuckoo-Dove
- Tanimbar Flycatcher
- Tanimbar Friarbird
- Tanimbar Megapode
- Tanimbar Oriole
- Tanimbar Starling
- Tanna Fruit Dove
- Tanna Ground Dove
- Tanzanian Masked Weaver
- Tanzanian Red-billed Hornbill
- Tapajos Hermit
- Tapera
- Tarangire National Park
- Tarim Babbler
- Tarnasjon Nature Reserve
- Tasmanian Nativehen
- Tasmanian Scrubwren
- Tasmanian Thornbill
- Tatama Tapaculo
- Tataupa Tinamou
- Tatra National Park
- Tautra Island
- Taveta Golden Weaver
- Taveuni Silktail
- Tawitawi Brown Dove
- Tawny-backed Fantail
- Tawny-bellied Babbler
- Tawny-bellied Hermit
- Tawny-bellied Screech Owl
- Tawny-bellied Seedeater
- Tawny-breasted Flycatcher
- Tawny-breasted Honeyeater
- Tawny-breasted Parrotfinch
- Tawny-breasted Tinamou
- Tawny-breasted Wren-Babbler
- Tawny-browed Owl
- Tawny-capped Euphonia
- Tawny-chested Flycatcher
- Tawny-collared Nightjar
- Tawny-crested Tanager
- Tawny-crowned Greenlet
- Tawny-crowned Honeyeater
- Tawny-crowned Pygmy Tyrant
- Tawny-faced Gnatwren
- Tawny-faced Quail
- Tawny-flanked Prinia
- Tawny-headed Swallow
- Tawny-rumped Tyrannulet
- Tawny-shouldered Blackbird
- Tawny-throated Dotterel
- Tawny-throated Leaftosser
- Tawny-tufted Toucanet
- Tawny-winged Woodcreeper
- Tawny Antpitta
- Tawny Eagle
- Tawny Fish Owl
- Tawny Frogmouth
- Tawny Grassbird
- Tawny Owl
- Tawny Piculet
- Tawny Pipit
- Tawny Straightbill
- Tawny Tit-Spinetail
- Tay Reed Beds, Perth, Scotland
- Taynish National Nature Reserve and surrounding area
- Te Urewera National Park
- Teberdinskiy Nature Reserve
- Tees Banks Woods, Barnard Castle
- Tegg's Nose
- Teich Bird Reserve
- Teign Estuary and Hackney Marsh
- Tele Vue-85
- Televid 62 APO
- Televid APO77
- Temminck's Babbler
- Temminck's Courser
- Temminck's Lark
- Temminck's Seedeater
- Temminck's Stint
- Temminck's Sunbird
- Temminck's Tragopan
- Temnurus
- Temotu Whistler
- Tenerife
- Tenerife Blue Chaffinch
- Tenggara Swiftlet
- Tennessee Warbler
- Tentsmuir Forest
- Tepui Antpitta
- Tepui Brushfinch
- Tepui Elaenia
- Tepui Goldenthroat
- Tepui Parrotlet
- Tepui Redstart
- Tepui Spinetail
- Tepui Swift
- Tepui Tinamou
- Tepui Toucanet
- Tepui Vireo
- Tepui Wren
- Terek Sandpiper
- Ternelles Valley
- Terrestrial Brownbul
- Terschelling
- Tessmann's Flycatcher
- Testwood Lakes
- Tetney Marshes
- Tevere Farfa Reserve
- Texel
- Thamnornis
- Thattekad Bird Sanctuary
- The Coorong
- The Lodge
- The Loons
- The Mens
- The SASOL Larger Illustrated Guide to Birds of Southern Africa
- The Sibley Field Guide to Birds
- The Sibley Guide to Bird Life and Behavior
- The Sibley Guide to Birds
- The Strid Woods
- The Withens
- Thekla's Lark
- Thick-billed Cuckoo
- Thick-billed Euphonia
- Thick-billed Flowerpecker
- Thick-billed Grasswren
- Thick-billed Green Pigeon
- Thick-billed Ground Dove
- Thick-billed Ground Pigeon
- Thick-billed Honeyguide
- Thick-billed Kingbird
- Thick-billed Lark
- Thick-billed Miner
- Thick-billed Murre
- Thick-billed Parrot
- Thick-billed Raven
- Thick-billed Saltator
- Thick-billed Seed Finch
- Thick-billed Seedeater
- Thick-billed Siskin
- Thick-billed Spiderhunter
- Thick-billed Vireo
- Thick-billed Warbler
- Thick-billed White-eye
- Thicket Antpitta
- Thicket Tinamou
- Thingvellir National Park
- Thol Bird Sanctuary
- Thorn-tailed Rayadito
- Three-banded Courser
- Three-banded Plover
- Three-banded Rosefinch
- Three-banded Warbler
- Three-streaked Tchagra
- Three-striped Flycatcher
- Three-striped Hemispingus
- Three-striped Warbler
- Three-toed Jacamar
- Three-toed Parrotbill
- Three-toed Swiftlet
- Three-toed Woodpecker
- Three-wattled Bellbird
- Thrush-like Antpitta
- Thrush-like Schiffornis
- Thrush-like Wren
- Thrush Nightingale
- Tibetan Babax
- Tibetan Blackbird
- Tibetan Bunting
- Tibetan Eared Pheasant
- Tibetan Lark
- Tibetan Partridge
- Tibetan Rosefinch
- Tibetan Sandgrouse
- Tibetan Serin
- Tibetan Snowcock
- Tibetan Snowfinch
- Tices Meadow
- Tickell's Blue Flycatcher
- Tickell's Brown Hornbill
- Tickell's Leaf Warbler
- Tickell's Thrush
- Ticking Doradito
- Tierra del Fuego
- Tiger Shrike
- Tihany
- Tikal
- Tilden Regional Park
- Tiligul Liman
- Tilos Island(Dodecanese Archipelago)
- Timberline Wren
- Timor
- Timor Blue Flycatcher
- Timor Bush Warbler
- Timor Cuckoo-Dove
- Timor Friarbird
- Timor Green Pigeon
- Timor Imperial Pigeon
- Timor Leaf Warbler
- Timor Sparrow


