- Wahlberg's Eagle
- Wahnes's Parotia
- Waigeo Shrikethrush
- Wailing Cisticola
- Wallcreeper
- Waller's Starling
- Wandering Tattler
- Wandering Whistling Duck
- Warbling White-eye
- Water Pipit
- Water Rail
- Water Thick-knee
- Watercock
- Watkins's Antpitta
- Wattled Guan
- Wattled Ibis
- Wattled Jacana
- Wattled Ploughbill
- Wattled Starling
- Wedge-billed Woodcreeper
- Wedge-tailed Eagle
- Wedge-tailed Grass Finch
- Wedge-tailed Shearwater
- Weka
- Welcome Swallow
- West African Crested Tern
- West African Wattle-eye
- West Indian Whistling Duck
- West Indian Woodpecker
- West Peruvian Dove
- West Solomons Owl
- Western Alpine Mannikin
- Western Banded Snake Eagle
- Western Barn Owl
- Western Black-eared Wheatear
- Western Black-headed Batis
- Western Bluebill
- Western Bluebird
- Western Bonelli's Warbler
- Western Capercaillie
- Western Cattle Egret
- Western Crowned Pigeon
- Western Crowned Warbler
- Western Dwarf Hornbill
- Western Flycatcher
- Western Grebe
- Western Gull
- Western House Martin
- Western Jackdaw
- Western Marsh Harrier
- Western Mountain Greenbul
- Western Nicator
- Western Oriole
- Western Plantain-eater
- Western Reef Heron
- Western Sandpiper
- Western Screech Owl
- Western Subalpine Warbler
- Western Swamphen
- Western Tanager
- Western Tinkerbird
- Western Wood Pewee
- Western Woodhaunter
- Western Yellow Wagtail
- Westland Petrel
- Whinchat
- Whiskered Tern
- Whiskered Treeswift
- Whistler's Warbler
- Whistling Cisticola
- Whistling Dove
- Whistling Kite
- White-backed Black Tit
- White-backed Duck
- White-backed Mousebird
- White-backed Thrush
- White-backed Vulture
- White-backed Woodpecker
- White-backed Woodswallow
- White-banded Swallow
- White-banded Tyrannulet
- White-bearded Greenbul
- White-bearded Manakin
- White-bellied Bush Chat
- White-bellied Bustard
- White-bellied Canary
- White-bellied Cuckooshrike
- White-bellied Drongo
- White-bellied Fantail
- White-bellied Go-away-bird
- White-bellied Green Pigeon
- White-bellied Honeyeater
- White-bellied Hummingbird
- White-bellied Kingfisher
- White-bellied Minivet
- White-bellied Redstart
- White-bellied Sea Eagle
- White-bellied Tit
- White-bellied Tody-Tyrant
- White-bellied Woodstar
- White-bibbed Antbird
- White-bibbed Fruit Dove
- White-bibbed Swallow
- White-billed Buffalo Weaver
- White-billed Crow
- White-billed Starling
- White-booted Racket-tail
- White-breasted Babbler
- White-breasted Nigrita
- White-breasted Nuthatch
- White-breasted Waterhen
- White-breasted Woodswallow
- White-browed Antbird
- White-browed Antpitta
- White-browed Bush Chat
- White-browed Bush Robin
- White-browed Conebill
- White-browed Coucal
- White-browed Crake
- White-browed Fantail
- White-browed Gnatcatcher
- White-browed Piculet
- White-browed Purpletuft
- White-browed Robin-Chat
- White-browed Scimitar Babbler
- White-browed Scrub Robin
- White-browed Shrike-babbler
- White-browed Sparrow-Weaver
- White-browed Tit-Spinetail
- White-browed Tit-warbler
- White-browed Wagtail
- White-capped Bunting
- White-capped Dipper
- White-capped Monarch
- White-capped Redstart
- White-capped Tanager
- White-cheeked Laughingthrush
- White-cheeked Pintail
- White-cheeked Starling
- White-cheeked Turaco
- White-chested Emerald
- White-chinned Jacamar
- White-chinned Petrel
- White-chinned Prinia
- White-chinned Sapphire
- White-chinned Thrush
- White-collared Foliage-gleaner
- White-collared Kite
- White-collared Monarch
- White-collared Pigeon
- White-collared Starling
- White-collared Swift
- White-crested Helmetshrike
- White-crested Laughingthrush
- White-crested Spadebill
- White-crested Turaco
- White-crowned Forktail
- White-crowned Lapwing
- White-crowned Manakin
- White-crowned Penduline Tit
- White-crowned Pigeon
- White-crowned Sparrow
- White-crowned Starling
- White-crowned Wheatear
- White-eared Bulbul
- White-eared Conebill
- White-edged Oriole
- White-eyed Attila
- White-eyed Buzzard
- White-eyed Slaty Flycatcher
- White-eyed Tody-Tyrant
- White-faced Heron
- White-faced Ibis
- White-faced Storm Petrel
- White-faced Whistling Duck
- White-fronted Bee-eater
- White-fronted Chat
- White-fronted Nunbird
- White-fronted Plover
- White-fronted Tern
- White-fronted Woodpecker
- White-headed Brushfinch
- White-headed Buffalo Weaver
- White-headed Duck
- White-headed Fruit Dove
- White-headed Marsh Tyrant
- White-headed Robin-Chat
- White-headed Saw-wing
- White-headed Starling
- White-headed Vulture
- White-headed Wood Hoopoe
- White-lined Tanager
- White-naped Jay
- White-naped Tit
- White-naped Woodpecker
- White-necked Heron
- White-necked Jacobin
- White-necked Raven
- White-necked Rockfowl
- White-necked Thrush
- White-rumped Kingfisher
- White-rumped Munia
- White-rumped Sandpiper
- White-rumped Seedeater
- White-rumped Shama
- White-rumped Snowfinch
- White-rumped Spinetail
- White-rumped Swift
- White-rumped Swiftlet
- White-rumped Vulture
- White-shouldered Antshrike
- White-shouldered Black Tit
- White-shouldered Fairywren
- White-shouldered Fire-eye
- White-shouldered Tanager
- White-shouldered Triller
- White-sided Flowerpiercer
- White-spotted Fantail
- White-spotted Flufftail
- White-spotted Wattle-eye
- White-starred Robin
- White-tailed Eagle
- White-tailed Goldenthroat
- White-tailed Hawk
- White-tailed Jay
- White-tailed Kite
- White-tailed Lapwing
- White-tailed Lark
- White-tailed Nuthatch
- White-tailed Robin
- White-tailed Shrike
- White-tailed Stonechat
- White-tailed Swallow
- White-tailed Trogon
- White-tailed Tropicbird
- White-thighed Hornbill
- White-throated Antbird
- White-throated Antpitta
- White-throated Bee-eater
- White-throated Canary
- White-throated Caracara
- White-throated Daggerbill
- White-throated Dipper
- White-throated Fiji Whistler
- White-throated Francolin
- White-throated Honeyeater
- White-throated Kingfisher
- White-throated Laughingthrush
- White-throated Manakin
- White-throated Quail-Dove
- White-throated Robin
- White-throated Seedeater
- White-throated Spadebill
- White-throated Swift
- White-throated Toucan
- White-throated Toucanet
- White-throated Tyrannulet
- White-tipped Dove
- White-tufted Grebe
- White-tufted Sunbeam
- White-whiskered Laughingthrush
- White-winged Black Tit
- White-winged Collared Dove
- White-winged Cotinga
- White-winged Dove
- White-winged Grosbeak
- White-winged Magpie
- White-winged Parakeet
- White-winged Robin
- White-winged Scoter
- White-winged Snowfinch
- White-winged Swallow
- White-winged Tanager
- White-winged Tern
- White-winged Widowbird
- White Bellbird
- White Hawk
- White Stork
- White Tern
- White Wagtail
- Whitehead
- Whooper Swan
- Whooping Motmot
- Wild Turkey
- Willcocks's Honeyguide
- Willet
- Williamson's Sapsucker
- Willie Wagtail
- Willis's Antbird
- Willow Ptarmigan
- Willow Tit
- Willow Warbler
- Wilson's Bird-of-paradise
- Wilson's Phalarope
- Wilson's Snipe
- Wilson's Storm Petrel
- Wilson's Warbler
- Winding Cisticola
- Wing-barred Piprites
- Wing-barred Seedeater (murallae)
- Wire-crested Thorntail
- Wire-tailed Manakin
- Wire-tailed Swallow
- Wompoo Fruit Dove
- Wood Duck
- Wood Sandpiper
- Wood Stork
- Wood Warbler
- Woodchat Shrike
- Woodford's Rail
- Woodland Kingfisher
- Woodlark
- Wreathed Hornbill
- Wren-like Rushbird
- Wrentit
- Wrybill