- Wallcreeper
- Water Rail
- Western Cattle Egret
- Western Jackdaw
- Western Marsh Harrier
- Western Orphean Warbler
- Western Osprey
- Western Yellow Wagtail
- Western Yellow Wagtail (flavissima)
- Whimbrel
- Whinchat
- Whiskered Tern
- White-headed Duck
- White-tailed Lapwing
- White-throated Dipper
- White-winged Snowfinch
- White-winged Tern
- White Stork
- White Wagtail
- White Wagtail (yarrellii)
- Whooper Swan
- Willow Warbler
- Wilson's Phalarope
- Wood Sandpiper
- Woodchat Shrike
- Woodlark