- Wandering Albatross
- Water Pipit
- Water Rail
- Water Thick-knee
- Wattled Crane
- Wattled Ibis
- Wattled Jacana
- Wattled Starling
- Wedge-rumped Storm Petrel
- Wedge-tailed Grass Finch
- Welcome Swallow
- Western Banded Snake Eagle
- Western Barn Owl
- Western Black-eared Wheatear
- Western Bonelli's Warbler
- Western Cattle Egret
- Western Citril
- Western Jackdaw
- Western Marsh Harrier
- Western Osprey
- Western Reef Heron
- Western Subalpine Warbler
- Western Swamphen
- Western Tanager
- Western Yellow Wagtail
- Whinchat
- Whiskered Tern
- White-backed Vulture
- White-backed Woodpecker
- White-bellied Bustard
- White-bellied Cuckooshrike
- White-bellied Go-away-bird
- White-bellied Sea Eagle
- White-breasted Cormorant
- White-breasted Mesite
- White-breasted Nuthatch
- White-breasted Waterhen
- White-browed Coucal
- White-browed Fantail
- White-browed Fulvetta
- White-browed Owl
- White-browed Robin-Chat
- White-browed Scrub Robin
- White-browed Scrubwren
- White-browed Sparrow-Weaver
- White-browed Wagtail
- White-capped Redstart
- White-cheeked Honeyeater
- White-cheeked Pintail
- White-cheeked Turaco
- White-chinned Prinia
- White-collared Pigeon
- White-crested Helmetshrike
- White-crowned Lapwing
- White-crowned Sparrow
- White-crowned Wheatear
- White-eared Bulbul
- White-eyed Buzzard
- White-eyed Parakeet
- White-eyed Slaty Flycatcher
- White-faced Heron
- White-faced Whistling Duck
- White-fronted Bee-eater
- White-fronted Chat
- White-headed Buffalo Weaver
- White-headed Marsh Tyrant
- White-headed Mousebird
- White-headed Saw-wing
- White-headed Vulture
- White-necked Heron
- White-necked Raven
- White-rumped Babbler
- White-rumped Monjita
- White-rumped Snowfinch
- White-spotted Fantail
- White-tailed Blue Flycatcher
- White-tailed Eagle
- White-tailed Hawk
- White-tailed Tropicbird
- White-throated Bee-eater
- White-throated Dipper
- White-throated Honeyeater
- White-throated Kingfisher
- White-throated Robin
- White-throated Robin-Chat
- White-tipped Dove
- White-vented Violetear
- White-winged Black Tit
- White-winged Swallow
- White-winged Tern
- White-winged Widowbird
- White Stork
- White Tern
- White Wagtail
- Whooper Swan
- Wild Turkey
- Willet
- Willie Wagtail
- Willow Ptarmigan
- Willow Warbler
- Wilson's Plover
- Wilson's Storm Petrel
- Winding Cisticola
- Wire-tailed Swallow
- Wompoo Fruit Dove
- Wood Duck
- Wood Sandpiper
- Wood Stork
- Woodchat Shrike
- Woodland Kingfisher
- Woolly-necked Stork