- White-tailed Lark
- White-tailed Leaf Warbler
- White-tailed Monarch
- White-tailed Nightjar
- White-tailed Nuthatch
- White-tailed Ptarmigan
- White-tailed Robin
- White-tailed Rubythroat
- White-tailed Sabrewing
- White-tailed Shrike
- White-tailed Shrike-Tyrant
- White-tailed Starfrontlet
- White-tailed Stonechat
- White-tailed Swallow
- White-tailed Trogon
- White-tailed Tropicbird
- White-tailed Tyrannulet
- White-tailed Warbler
- White-thighed Hornbill
- White-thighed Swallow
- White-throated Antbird
- White-throated Antpitta
- White-throated Babbler
- White-throated Barbtail
- White-throated Bee-eater
- White-throated Blue Swallow
- White-throated Bulbul
- White-throated Bushchat
- White-throated Cacholote
- White-throated Canary
- White-throated Caracara
- White-throated Crake
- White-throated Dipper
- White-throated Earthcreeper
- White-throated Fantail
- White-throated Flycatcher
- White-throated Foliage-gleaner
- White-throated Francolin
- White-throated Gerygone
- White-throated Grasswren
- White-throated Greenbul
- White-throated Ground Dove
- White-throated Hawk
- White-throated Honeyeater
- White-throated Hummingbird
- White-throated Jacamar
- White-throated Jay
- White-throated Jungle Flycatcher
- White-throated Kingbird
- White-throated Kingfisher
- White-throated Laughingthrush
- White-throated Magpie-Jay
- White-throated Manakin
- White-throated Mountain-gem
- White-throated Mountain Babbler
- White-throated Needletail
- White-throated Nightjar
- White-throated Oxylabes
- White-throated Pewee
- White-throated Quail-Dove
- White-throated Rail
- White-throated Redstart
- White-throated Robin
- White-throated Robin-Chat
- White-throated Rock Thrush
- White-throated Screech Owl
- White-throated Seedeater
- White-throated Shrike-Tanager
- White-throated Sierra Finch
- White-throated Spadebill
- White-throated Sparrow
- White-throated Swallow
- White-throated Swift
- White-throated Tapaculo
- White-throated Thrush
- White-throated Tinamou
- White-throated Tit
- White-throated Toucan
- White-throated Towhee
- White-throated Treecreeper
- White-throated Treerunner
- White-throated Tyrannulet
- White-throated Wedgebill
- White-throated Woodcreeper
- White-throated Woodpecker
- White-throated Wren-Babbler
- White-tipped Dove
- White-tipped Monarch
- White-tipped Plantcutter
- White-tipped Quetzal
- White-tipped Sicklebill
- White-tipped Swift
- White-tufted Grebe
- White-tufted Honeyeater
- White-tufted Sunbeam
- White-vented Euphonia
- White-vented Myna
- White-vented Plumeleteer
- White-vented Shama
- White-vented Violetear
- White-vented Whistler
- White-wedged Piculet
- White-whiskered Hermit
- White-whiskered Laughingthrush
- White-whiskered Puffbird
- White-whiskered Spinetail
- White-winged Apalis
- White-winged Becard
- White-winged Black Tit
- White-winged Black Tyrant
- White-winged Brushfinch
- White-winged Chough
- White-winged Cinclodes
- White-winged Cliff Chat
- White-winged Collared Dove
- White-winged Coot
- White-winged Cotinga
- White-winged Crossbill
- White-winged Cuckooshrike
- White-winged Diuca Finch
- White-winged Dove
- White-winged Duck
- White-winged Fairywren
- White-winged Flufftail
- White-winged Grosbeak
- White-winged Guan
- White-winged Lark
- White-winged Magpie
- White-winged Nightjar
- White-winged Parakeet
- White-winged Potoo
- White-winged Robin
- White-winged Scoter
- White-winged Shrike-Tanager
- White-winged Snowfinch
- White-winged Swallow
- White-winged Swamp Warbler
- White-winged Tanager
- White-winged Tern
- White-winged Triller
- White-winged Warbler
- White-winged Widowbird
- White-winged Woodpecker
- White Bellbird
- White Cockatoo
- White Eared Pheasant
- White Hawk
- White Helmetshrike
- White Ibis
- White Memorial Conservation Area
- White Monjita
- White Stork
- White Tern
- White Wagtail
- White Woodpecker
- Whitefish Point Bird Observatory
- Whitehead
- Whitehead's Broadbill
- Whitehead's Spiderhunter
- Whitehead's Swiftlet
- Whitehead's Trogon
- Whitemud Creek Ravine
- Whitewater Draw
- Whittier Narrows Natural Area
- Whooper Swan
- Whooping Crane
- Whooping Motmot
- Whyte's Barbet
- Wicken Fen
- Widbrook Plantation
- Wied's Tyrant-Manakin
- Wigtown Bay Reserve (Dumfries and Galloway)
- Wild Ass Sanctuary
- Wild Turkey
- Wilderness Island
- Wildwood Lake Sanctuary
- Wilkins's Finch
- Willard's Sooty Boubou
- Willcocks's Honeyguide
- Willet
- Williams's Lark
- Williamson's Sapsucker
- Willie-wagtail
- Willis's Antbird
- Willow Flycatcher
- Willow Ptarmigan
- Willow Tit
- Willow Warbler
- Willow and Watson Lakes
- Wilson's Bird-of-Paradise
- Wilson's Indigobird
- Wilson's Phalarope
- Wilson's Plover
- Wilson's Snipe
- Wilson's Storm Petrel
- Wilson's Warbler
- Wilsonia
- Winding Cisticola
- Windsor Great Park
- Wine-throated Hummingbird
- Wing-banded Antbird
- Wing-banded Wren
- Wing-barred Piprites
- Wing-barred Seedeater
- Wing-snapping Cisticola
- Winneba Plains
- Winter Wren
- Winterset and Haws Park
- Wire-crested Thorntail
- Wire-tailed Manakin
- Wire-tailed Swallow
- Wolinski National Park
- Wollongong pelagic
- Wolverine
- Wolves Wood
- Wompoo Fruit Dove
- Wonga Pigeon
- Wood Duck
- Wood Lane Nature Reserve
- Wood Lark
- Wood Sandpiper
- Wood Snipe
- Wood Stork
- Wood Thrush
- Wood Warbler
- Wood of Cree
- Woodbourne Shorebird Reserve
- Woodchat Shrike
- Woodford's Rail
- Woodhouse's Antpecker
- Woodhouse's Scrub Jay
- Woodland Kingfisher
- Woodland Pipit
- Woodpecker Finch
- Woodward's Batis
- Woolly-necked Stork
- Worcester's Buttonquail
- Worm-eating Warbler
- Worthen's Sparrow
- Wreathed Hornbill
- Wren
- Wren-like Rushbird
- Wrenthrush
- Wrentit
- Wrinkled Hornbill
- Writhe-billed Hornbill
- Writhed Hornbill
- Wrybill
- Wye-Elan Woods
- Wyre Forest
- Xantus's Hummingbird
- Xantus's Murrelet
- Xavier's Greenbul
- Xingu Scale-backed Antbird
- Xinjiang Ground Jay
- Yala National Park
- Yanachaga Chemillen National Park
- Yanacocha Reserve
- Yap Monarch
- Yap Olive White-eye
- Yapacana Antbird
- Yate
- Yelkouan Shearwater
- Yell Sound Islands
- Yellow-and-green Lorikeet
- Yellow-backed Oriole
- Yellow-backed Tanager
- Yellow-bearded Greenbul
- Yellow-bellied Bulbul
- Yellow-bellied Chat-Tyrant
- Yellow-bellied Dacnis
- Yellow-bellied Elaenia
- Yellow-bellied Eremomela
- Yellow-bellied Fantail
- Yellow-bellied Flowerpecker
- Yellow-bellied Flycatcher
- Yellow-bellied Gerygone
- Yellow-bellied Greenbul
- Yellow-bellied Hyliota
- Yellow-bellied Longbill
- Yellow-bellied Prinia
- Yellow-bellied Robin
- Yellow-bellied Sapsucker
- Yellow-bellied Seedeater
- Yellow-bellied Siskin
- Yellow-bellied Sunbird-Asity
- Yellow-bellied Tanager
- Yellow-bellied Tit
- Yellow-bellied Tyrannulet
- Yellow-bellied Warbler
- Yellow-bellied Wattle-eye
- Yellow-bellied Waxbill
- Yellow-bellied Whistler
- Yellow-bibbed Fruit Dove
- Yellow-bibbed Lory
- Yellow-billed Babbler
- Yellow-billed Barbet
- Yellow-billed Blue Magpie
- Yellow-billed Cacique
- Yellow-billed Cardinal
- Yellow-billed Chough
- Yellow-billed Cotinga
- Yellow-billed Cuckoo
- Yellow-billed Duck
- Yellow-billed Grosbeak
- Yellow-billed Hornbill
- Yellow-billed Jacamar
- Yellow-billed Kingfisher
- Yellow-billed Loon
- Yellow-billed Lorikeet
- Yellow-billed Magpie
- Yellow-billed Malkoha
- Yellow-billed Nunbird
- Yellow-billed Nuthatch
- Yellow-billed Oxpecker
- Yellow-billed Parrot
- Yellow-billed Pintail
- Yellow-billed Shrike
- Yellow-billed Spoonbill
- Yellow-billed Stork
- Yellow-billed Teal
- Yellow-billed Tern
- Yellow-billed Tit-Tyrant
- Yellow-billed Turaco
- Yellow-breasted Antpitta
- Yellow-breasted Antwren
- Yellow-breasted Apalis
- Yellow-breasted Barbet
- Yellow-breasted Boatbill
- Yellow-breasted Boubou
- Yellow-breasted Bowerbird
- Yellow-breasted Brushfinch
- Yellow-breasted Bunting
- Yellow-breasted Chat
- Yellow-breasted Crake
- Yellow-breasted Flowerpecker
- Yellow-breasted Flycatcher
- Yellow-breasted Fruit Dove
- Yellow-breasted Greenfinch
- Yellow-breasted Pipit
- Yellow-breasted Racquet-tail
- Yellow-breasted Satinbird
- Yellow-breasted Tailorbird
- Yellow-breasted Warbler
- Yellow-breasted Warbling Antbird


