- Wallcreeper
- Water Pipit
- Water Rail
- Western Barn Owl
- Western Black-eared Wheatear
- Western Capercaillie
- Western Cattle Egret
- Western House Martin
- Western Jackdaw
- Western Marsh Harrier
- Western Orphean Warbler
- Western Yellow Wagtail
- Whinchat
- Whiskered Tern
- White-rumped Sandpiper
- White-tailed Eagle
- White-throated Dipper
- White-throated Needletail
- White-winged Lark
- White-winged Tern
- White's Thrush
- White Stork
- White Wagtail
- White Wagtail (yarrellii)
- Willow Warbler
- Wilson's Storm Petrel
- Wood Sandpiper
- Wood Warbler
- Woodchat Shrike
- Woodlark