- Wahlberg's Eagle
- Wallacean Drongo
- Wallcreeper
- Wandering Tattler
- Wandering Whistling Duck
- Warbling White-eye
- Water Pipit
- Water Rail
- Water Thick-knee
- Wattled Crane
- Wattled Jacana
- Wattled Starling
- Waved Albatross
- Wedge-tailed Grass Finch
- Wedge-tailed Sabrewing
- Weka
- Welcome Swallow
- West Indian Woodpecker
- West Mexican Chachalaca
- West Peruvian Dove
- Western Banded Snake Eagle
- Western Black-eared Wheatear
- Western Bonelli's Warbler
- Western Cattle Egret
- Western Jackdaw
- Western Marsh Harrier
- Western Reef Heron
- Western Rock Nuthatch
- Western Sandpiper
- Western Spindalis
- Western Yellow Wagtail
- Whinchat
- Whiskered Tern
- Whistling Heron
- Whistling Kite
- White-backed Stilt
- White-backed Vulture
- White-banded Swallow
- White-barred Piculet
- White-bellied Bustard
- White-bellied Canary
- White-bellied Cuckooshrike
- White-bellied Drongo
- White-bellied Go-away-bird
- White-bellied Goshawk
- White-bellied Hummingbird
- White-bellied Sea Eagle
- White-bellied Tit
- White-bellied Woodstar
- White-billed Buffalo Weaver
- White-booted Racket-tail
- White-breasted Cormorant
- White-breasted Thrasher
- White-breasted Waterhen
- White-breasted Woodswallow
- White-browed Coucal
- White-browed Crake
- White-browed Fantail
- White-browed Robin-Chat
- White-browed Scrub Robin
- White-browed Sparrow-Weaver
- White-cheeked Pintail
- White-cheeked Starling
- White-chinned Thrush
- White-collared Pigeon
- White-crowned Lapwing
- White-crowned Pigeon
- White-crowned Wheatear
- White-eared Barbet
- White-eared Bulbul
- White-eyed Slaty Flycatcher
- White-eyed Vireo
- White-faced Heron
- White-faced Quail-Dove
- White-faced Whistling Duck
- White-fronted Plover
- White-fronted Tern
- White-gaped Honeyeater
- White-headed Buffalo Weaver
- White-headed Marsh Tyrant
- White-headed Mousebird
- White-headed Munia
- White-lored Gnatcatcher
- White-lored Spinetail
- White-necked Jacobin
- White-necked Puffbird
- White-necked Thrush
- White-rumped Monjita
- White-rumped Munia
- White-rumped Shama
- White-rumped Tanager
- White-spectacled Bulbul
- White-tailed Eagle
- White-tailed Hawk
- White-tailed Jay
- White-tailed Lapwing
- White-tailed Shrike
- White-tailed Trogon
- White-tailed Tropicbird
- White-throated Bee-eater
- White-throated Dipper
- White-throated Honeyeater
- White-throated Jacamar
- White-throated Kingbird
- White-throated Kingfisher
- White-throated Laughingthrush
- White-throated Magpie-Jay
- White-throated Quail-Dove
- White-tipped Dove
- White-tufted Grebe
- White-vented Violetear
- White-whiskered Puffbird
- White-winged Cinclodes
- White-winged Coot
- White-winged Dove
- White-winged Swallow
- White-winged Triller
- White-winged Widowbird
- White Hawk
- White Monjita
- White Stork
- White Tern
- White Wagtail
- White Wagtail (lugens)
- Whitehead
- Whooper Swan
- Whooping Crane
- Whooping Motmot
- Wild Turkey
- Willet
- Willie Wagtail
- Willow Warbler
- Wilson's Phalarope
- Wilson's Plover
- Winding Cisticola
- Wing-barred Seedeater
- Wire-tailed Swallow
- Wompoo Fruit Dove
- Wonga Pigeon
- Wood Sandpiper
- Wood Stork
- Wood Warbler
- Woodchat Shrike
- Woodland Kingfisher
- Woodlark
- Wren-like Rushbird
- Wrybill