- Wallcreeper
- Water Pipit
- Water Rail
- Wattled Crane
- Wattled Jacana
- Western Barn Owl
- Western Black-eared Wheatear
- Western Cattle Egret
- Western House Martin
- Western Jackdaw
- Western Marsh Harrier
- Western Olivaceous Warbler
- Western Reef Heron
- Western Rock Nuthatch
- Western Subalpine Warbler
- Western Swamphen
- Western Wood Pewee
- Western Yellow Wagtail
- Western Yellow Wagtail (feldegg)
- Western Yellow Wagtail (iberiae)
- Whinchat
- Whiskered Tern
- White-bearded Manakin
- White-bellied Sea Eagle
- White-browed Bulbul
- White-browed Wagtail
- White-collared Manakin
- White-crowned Wheatear
- White-faced Whistling Duck
- White-headed Buffalo Weaver
- White-headed Marsh Tyrant
- White-rumped Munia
- White-rumped Sandpiper
- White-rumped Shama
- White-spotted Fantail
- White-tailed Eagle
- White-tailed Hawk
- White-tailed Tropicbird
- White-throated Babbler
- White-throated Dipper
- White-throated Kingfisher
- White-throated Laughingthrush
- White-throated Sparrow
- White-throated Thrush
- White-tipped Dove
- White-winged Swallow
- White-winged Tern
- White Stork
- White Wagtail
- White Wagtail (yarrellii)
- Whooper Swan
- Willow Ptarmigan
- Willow Tit
- Willow Warbler
- Wing-barred Seedeater
- Wire-tailed Swallow
- Wood Duck
- Wood Sandpiper
- Wood Warbler
- Woodchat Shrike
- Wreathed Hornbill