- Wagler's Toucanet
- Wahlberg's Eagle
- Wailing Cisticola
- Wallace's Fairywren
- Wallacean Cuckooshrike
- Wallacean Drongo
- Wallcreeper
- Waller's Starling
- Wandering Albatross
- Wandering Tattler
- Wandering Whistling Duck
- Warbling Vireo
- Warbling White-eye
- Ward's Flycatcher
- Ward's Trogon
- Water Thick-knee
- Wattled Ibis
- Wattled Jacana
- Wattled Starling
- Waved Albatross
- Wayanad Laughingthrush
- Wedge-rumped Storm Petrel
- Wedge-tailed Eagle
- Wedge-tailed Grass Finch
- Wedge-tailed Green Pigeon
- Wedge-tailed Jery
- Wedge-tailed Shearwater
- Weebill
- Welcome Swallow
- West African Wattle-eye
- West Peruvian Dove
- West Peruvian Screech Owl
- Western Alpine Mannikin
- Western Banded Snake Eagle
- Western Barn Owl
- Western Bearded Greenbul
- Western Bluebill
- Western Capercaillie
- Western Cattle Egret
- Western Crowned Pigeon
- Western Crowned Warbler
- Western Gerygone
- Western Jackdaw
- Western Kingbird
- Western Marsh Harrier
- Western Nicator
- Western Oriole
- Western Osprey
- Western Plantain-eater
- Western Red-billed Hornbill
- Western Reef Heron
- Western Sandpiper
- Western Square-tailed Drongo
- Western Subalpine Warbler
- Western Tanager
- Western Tinkerbird
- Western Wood Pewee
- Western Yellow Wagtail
- Whinchat
- Whiskered Myiobius
- Whiskered Screech Owl
- Whiskered Tern
- Whiskered Treeswift
- Whiskered Yuhina
- Whistler's Warbler
- Whistling Cisticola
- Whistling Heron
- Whistling Kite
- White-backed Black Tit
- White-backed Duck
- White-backed Swallow
- White-backed Vulture
- White-backed Woodpecker
- White-barred Piculet
- White-bearded Antshrike
- White-bearded Manakin
- White-bellied Antpitta
- White-bellied Blue Flycatcher
- White-bellied Blue Robin
- White-bellied Bush Chat
- White-bellied Bustard
- White-bellied Canary
- White-bellied Chachalaca
- White-bellied Cuckooshrike
- White-bellied Drongo
- White-bellied Emerald
- White-bellied Erpornis
- White-bellied Go-away-bird
- White-bellied Hummingbird
- White-bellied Imperial Pigeon
- White-bellied Minivet
- White-bellied Munia
- White-bellied Sea Eagle
- White-bellied Seedeater
- White-bellied Sunbird
- White-bellied Tit
- White-bellied Treepie
- White-bellied Woodstar
- White-bibbed Swallow
- White-billed Buffalo Weaver
- White-billed Starling
- White-booted Racket-tail
- White-breasted Cormorant
- White-breasted Mesite
- White-breasted Nigrita
- White-breasted Waterhen
- White-breasted Whistler
- White-breasted Woodswallow
- White-bridled Finch
- White-browed Antbird
- White-browed Babbler
- White-browed Blackbird
- White-browed Bulbul
- White-browed Chat-Tyrant
- White-browed Coucal
- White-browed Crake
- White-browed Fantail
- White-browed Foliage-gleaner
- White-browed Forest Flycatcher
- White-browed Fulvetta
- White-browed Owl
- White-browed Piculet
- White-browed Robin
- White-browed Robin-Chat
- White-browed Scimitar Babbler
- White-browed Scrub Robin
- White-browed Scrubwren
- White-browed Sparrow-Weaver
- White-browed Treecreeper
- White-browed Wagtail
- White-browed Woodswallow
- White-capped Dipper
- White-capped Redstart
- White-capped Tanager
- White-cheeked Barbet
- White-cheeked Pintail
- White-cheeked Turaco
- White-chested Babbler
- White-chinned Petrel
- White-chinned Prinia
- White-chinned Sapphire
- White-collared Blackbird
- White-collared Foliage-gleaner
- White-collared Jay
- White-collared Manakin
- White-collared Oliveback
- White-collared Pigeon
- White-collared Swift
- White-crested Coquette
- White-crested Helmetshrike
- White-crested Hornbill
- White-crested Laughingthrush
- White-crested Tyrannulet
- White-crowned Cliff Chat
- White-crowned Lapwing
- White-crowned Parrot
- White-crowned Robin-Chat
- White-crowned Starling
- White-crowned Wheatear
- White-eared Barbet
- White-eared Bulbul
- White-eared Ground Sparrow
- White-eared Honeyeater
- White-eared Hummingbird
- White-eared Monarch
- White-eared Myza
- White-eared Puffbird
- White-edged Oriole
- White-eyed Foliage-gleaner
- White-eyed Parakeet
- White-eyed Slaty Flycatcher
- White-eyed Vireo
- White-faced Cuckoo-Dove
- White-faced Heron
- White-faced Robin
- White-faced Whistling Duck
- White-fronted Amazon
- White-fronted Bee-eater
- White-fronted Black Chat
- White-fronted Chat
- White-fronted Honeyeater
- White-fronted Plover
- White-fronted Wattle-eye
- White-fronted Woodpecker
- White-gaped Honeyeater
- White-headed Buffalo Weaver
- White-headed Marsh Tyrant
- White-headed Mousebird
- White-headed Munia
- White-headed Pigeon
- White-headed Robin-Chat
- White-headed Vanga
- White-headed Vulture
- White-lined Tanager
- White-lored Gnatcatcher
- White-naped Brushfinch
- White-naped Honeyeater
- White-naped Woodpecker
- White-naped Yuhina
- White-necked Heron
- White-necked Jacobin
- White-necked Myna
- White-necked Raven
- White-necked Rockfowl
- White-plumed Honeyeater
- White-rimmed Warbler
- White-ruffed Manakin
- White-rumped Babbler
- White-rumped Cuckooshrike
- White-rumped Monjita
- White-rumped Munia
- White-rumped Seedeater
- White-rumped Shama
- White-rumped Swift
- White-rumped Triller
- White-shouldered Black Tit
- White-shouldered Fire-eye
- White-shouldered Tanager
- White-shouldered Triller
- White-sided Flowerpiercer
- White-spotted Fantail
- White-starred Robin
- White-streaked Friarbird
- White-streaked Honeyeater
- White-striped Forest Rail
- White-striped Woodcreeper
- White-tailed Alethe
- White-tailed Crested Flycatcher
- White-tailed Eagle
- White-tailed Emerald
- White-tailed Jay
- White-tailed Kite
- White-tailed Nuthatch
- White-tailed Robin
- White-tailed Shrike
- White-tailed Trogon
- White-tailed Tropicbird
- White-tailed Tyrannulet
- White-thighed Hornbill
- White-throated Bee-eater
- White-throated Bulbul
- White-throated Crake
- White-throated Dipper
- White-throated Fantail
- White-throated Gerygone
- White-throated Honeyeater
- White-throated Hummingbird
- White-throated Kingfisher
- White-throated Laughingthrush
- White-throated Magpie-Jay
- White-throated Oxylabes
- White-throated Rail
- White-throated Robin
- White-throated Shrike-Tanager
- White-throated Spadebill
- White-throated Swallow
- White-throated Toucan
- White-throated Towhee
- White-throated Treecreeper
- White-throated Woodcreeper
- White-tipped Dove
- White-tipped Sicklebill
- White-tufted Grebe
- White-vented Euphonia
- White-wedged Piculet
- White-whiskered Puffbird
- White-winged Becard
- White-winged Black Tit
- White-winged Brushfinch
- White-winged Chough
- White-winged Cinclodes
- White-winged Cliff Chat
- White-winged Dove
- White-winged Duck
- White-winged Fairywren
- White-winged Robin
- White-winged Swallow
- White-winged Tern
- White-winged Triller
- White-winged Widowbird
- White Hawk
- White Stork
- White Wagtail
- Whooper Swan
- Whyte's Barbet
- Willet
- Willie Wagtail
- Willow Ptarmigan
- Willow Tit
- Willow Warbler
- Wilson's Bird-of-paradise
- Wilson's Indigobird
- Wilson's Storm Petrel
- Wilson's Warbler
- Winding Cisticola
- Wing-barred Seedeater
- Wing-snapping Cisticola
- Wire-crested Thorntail
- Wire-tailed Swallow
- Wompoo Fruit Dove
- Wood Sandpiper
- Wood Stork
- Wood Thrush
- Wood Warbler
- Woodchat Shrike
- Woodhouse's Scrub Jay
- Woodland Kingfisher
- Woodlark
- Woolly-necked Stork
- Wreathed Hornbill