- Wallcreeper
- Water Pipit
- Water Rail
- Western Bonelli's Warbler
- Western Cattle Egret
- Western Jackdaw
- Western Marsh Harrier
- Western Osprey
- Western Swamphen
- Western Yellow Wagtail
- Western Yellow Wagtail (flavissima)
- Whinchat
- Whiskered Tern
- White-throated Dipper
- White Stork
- White Wagtail
- White Wagtail (yarrellii)
- Whooper Swan
- Willow Tit
- Willow Warbler
- Wood Sandpiper
- Wood Warbler
- Woodchat Shrike