- Wallcreeper
- Water Pipit
- Water Rail
- Western Barn Owl
- Western Bonelli's Warbler
- Western Cattle Egret
- Western House Martin
- Western Jackdaw
- Western Marsh Harrier
- Western Reef Heron
- Western Spindalis
- Western Subalpine Warbler
- Western Swamphen
- Western Yellow Wagtail
- Whinchat
- Whiskered Tern
- White-browed Sparrow-Weaver
- White-cheeked Pintail
- White-cheeked Tern
- White-crowned Pigeon
- White-eyed Gull
- White-rumped Sandpiper
- White-tailed Eagle
- White-tailed Tropicbird
- White-throated Dipper
- White-tipped Dove
- White-winged Dove
- White-winged Snowfinch
- White Stork
- White Tern
- White Wagtail
- Whooper Swan
- Willow Tit
- Willow Warbler
- Wilson's Plover
- Wilson's Storm Petrel
- Wood Duck
- Wood Sandpiper
- Woodchat Shrike
- Woodlark