- Wahlberg's Eagle
- Wailing Cisticola
- Wallace's Fairywren
- Wallcreeper
- Waller's Starling
- Wandering Tattler
- Wandering Whistling Duck
- Warbling Doradito
- Warbling White-eye (montanus)
- Water Pipit
- Water Rail
- Water Thick-knee
- Wattled Crane
- Wattled Jacana
- Wattled Starling
- Waved Albatross
- Wedge-billed Woodcreeper
- Wedge-rumped Storm Petrel
- Wedge-tailed Eagle
- Wedge-tailed Green Pigeon
- Wedge-tailed Shearwater
- Weebill
- Weka
- Welcome Swallow
- West African Pied Hornbill
- West Indian Whistling Duck
- West Papuan Lorikeet
- Western Black-eared Wheatear
- Western Bonelli's Warbler
- Western Capercaillie
- Western Cattle Egret
- Western Chat-Tanager
- Western Citril
- Western Gerygone
- Western Grasswren
- Western Hooded Pitta
- Western House Martin
- Western Jackdaw
- Western Marsh Harrier
- Western Nicator
- Western Olivaceous Flatbill
- Western Orphean Warbler
- Western Parotia
- Western Plantain-eater
- Western Reef Heron
- Western Sandpiper
- Western Subalpine Warbler
- Western Swamphen
- Western Tinkerbird
- Western Yellow Robin
- Western Yellow Wagtail
- Western Yellow Wagtail (feldegg)
- Westland Petrel
- Weyns's Weaver
- Whinchat
- Whiskered Tern
- Whiskered Treeswift
- Whiskered Yuhina
- Whistler's Warbler
- Whistling Cisticola
- Whistling Heron
- Whistling Kite
- White-backed Duck
- White-backed Mousebird
- White-backed Night Heron
- White-backed Stilt
- White-backed Swallow
- White-backed Vulture
- White-banded Mockingbird
- White-barred Piculet
- White-bellied Antbird
- White-bellied Bustard
- White-bellied Drongo
- White-bellied Erpornis
- White-bellied Imperial Pigeon
- White-bellied Kingfisher
- White-bellied Minivet
- White-bellied Pitohui
- White-bellied Sea Eagle
- White-bellied Sunbird
- White-bellied Whistler
- White-bellied Woodpecker
- White-bellied Woodstar
- White-bibbed Fruit Dove
- White-booted Racket-tail
- White-breasted Cormorant
- White-breasted Mesite
- White-breasted Waterhen
- White-breasted Wood Wren
- White-breasted Woodswallow
- White-browed Babbler
- White-browed Brushfinch
- White-browed Bush Chat
- White-browed Coucal
- White-browed Crake
- White-browed Crombec
- White-browed Fantail
- White-browed Gnatcatcher
- White-browed Meadowlark
- White-browed Robin-Chat
- White-browed Scimitar Babbler
- White-browed Scrubwren
- White-browed Shama
- White-browed Shrike-babbler
- White-browed Tit-warbler
- White-browed Treecreeper
- White-browed Woodswallow
- White-capped Bunting
- White-capped Dipper
- White-capped Redstart
- White-cheeked Pintail
- White-cheeked Starling
- White-chinned Petrel
- White-chinned Prinia
- White-chinned Thistletail
- White-collared Blackbird
- White-collared Pigeon
- White-collared Swift
- White-crested Elaenia
- White-crested Laughingthrush
- White-crested Tyrannulet
- White-crowned Forktail
- White-crowned Lapwing
- White-crowned Penduline Tit
- White-crowned Pigeon
- White-crowned Wheatear
- White-eared Barbet
- White-eared Bronze Cuckoo
- White-eared Bulbul
- White-eared Honeyeater
- White-eared Myza
- White-eyed Buzzard
- White-eyed Parakeet
- White-eyed Slaty Flycatcher
- White-faced Cuckoo-Dove
- White-faced Heron
- White-faced Ibis
- White-faced Nunbird
- White-faced Robin
- White-faced Storm Petrel
- White-faced Whistling Duck
- White-fronted Chat
- White-fronted Honeyeater
- White-fronted Plover
- White-fronted Tern
- White-fronted Tit
- White-headed Duck
- White-headed Marsh Tyrant
- White-headed Saw-wing
- White-headed Vulture
- White-lined Tanager
- White-lored Oriole
- White-lored Warbler
- White-mantled Kingfisher
- White-naped Brushfinch
- White-naped Crane
- White-naped Honeyeater
- White-naped Monarch
- White-naped Tit
- White-naped Woodpecker
- White-naped Xenopsaris
- White-naped Yuhina
- White-necked Coucal
- White-necked Crow
- White-necked Heron
- White-necked Jacobin
- White-necked Myna
- White-necked Puffbird
- White-plumed Honeyeater
- White-ringed Flycatcher
- White-ruffed Manakin
- White-rumped Cuckooshrike
- White-rumped Monjita
- White-rumped Munia
- White-rumped Sandpiper
- White-rumped Shama
- White-rumped Swallow
- White-rumped Swift
- White-rumped Swiftlet
- White-rumped Vulture
- White-shouldered Fairywren
- White-shouldered Tanager
- White-sided Flowerpiercer
- White-spotted Fantail
- White-streaked Friarbird
- White-striped Forest Rail
- White-tailed Blue Flycatcher
- White-tailed Eagle
- White-tailed Kite
- White-tailed Lapwing
- White-tailed Nuthatch
- White-tailed Starfrontlet
- White-tailed Trogon
- White-tailed Tropicbird
- White-throated Bee-eater
- White-throated Bulbul
- White-throated Cacholote
- White-throated Caracara
- White-throated Crake
- White-throated Daggerbill
- White-throated Dipper
- White-throated Fantail
- White-throated Flycatcher
- White-throated Gerygone
- White-throated Hummingbird
- White-throated Kingbird
- White-throated Kingfisher
- White-throated Laughingthrush
- White-throated Mountaingem
- White-throated Needletail
- White-throated Quail-Dove
- White-throated Robin
- White-throated Robin-Chat
- White-throated Rock Thrush
- White-throated Swallow
- White-throated Thrush
- White-throated Toucanet
- White-throated Treecreeper
- White-throated Treerunner
- White-throated Tyrannulet
- White-tipped Dove
- White-tipped Plantcutter
- White-tipped Quetzal
- White-tufted Grebe
- White-vented Euphonia
- White-vented Plumeleteer
- White-whiskered Hermit
- White-whiskered Puffbird
- White-winged Becard
- White-winged Black Tyrant
- White-winged Brushfinch
- White-winged Chough
- White-winged Coot
- White-winged Dove
- White-winged Fairywren
- White-winged Grosbeak
- White-winged Lark
- White-winged Robin
- White-winged Snowfinch
- White-winged Swallow
- White-winged Swamp Warbler
- White-winged Tern
- White-winged Triller
- White-winged Warbler
- White-winged Widowbird
- White-winged Woodpecker
- White Cockatoo
- White Hawk
- White Stork
- White Wagtail
- White Wagtail (yarrellii)
- White Woodpecker
- Whitehead
- Whooper Swan
- Whooping Motmot
- Willie Wagtail
- Willow Ptarmigan
- Willow Tit
- Willow Warbler
- Wilson's Bird-of-paradise
- Wilson's Phalarope
- Wilson's Plover
- Wilson's Snipe
- Wilson's Storm Petrel
- Wilson's Warbler
- Winchell's Kingfisher
- Winding Cisticola
- Wire-tailed Swallow
- Wonga Pigeon
- Wood Sandpiper
- Wood Stork
- Wood Warbler
- Woodchat Shrike
- Woodland Kingfisher
- Woodlark
- Woodpecker Finch
- Woodwards' Batis
- Wreathed Hornbill
- Wren-like Rushbird
- Wrenthrush
- Writhed Hornbill
- Wrybill