- Warbling Vireo
- Water Pipit
- Wattled Jacana
- Waved Woodpecker
- Western Bonelli's Warbler
- Western Cattle Egret
- Western Kingbird
- Western Marsh Harrier
- Western Osprey
- Western Reef Heron
- Western Sandpiper
- Western Yellow Wagtail
- Whimbrel
- Whimbrel (hudsonicus)
- Whinchat
- Whiskered Tern
- White-bellied Erpornis
- White-bellied Sea Eagle
- White-breasted Nuthatch
- White-breasted Waterhen
- White-chested Babbler
- White-crested Laughingthrush
- White-crowned Sparrow
- White-crowned Wheatear
- White-eared Bulbul
- White-eyed Vireo
- White-faced Ibis
- White-headed Marsh Tyrant
- White-rumped Sandpiper
- White-rumped Shama
- White-spectacled Bulbul
- White-tailed Eagle
- White-throated Fantail
- White-throated Kingfisher
- White-throated Sparrow
- White-winged Dove
- White-winged Snowfinch
- White-winged Swallow
- White-winged Tern
- White Stork
- White Wagtail
- Willet
- Willow Ptarmigan
- Willow Tit
- Willow Warbler
- Wilson's Phalarope
- Wilson's Plover
- Wilson's Snipe
- Wilson's Warbler
- Wing-barred Seedeater
- Wood Sandpiper
- Wood Thrush
- Woodchat Shrike