- Water Pipit
- Water Rail
- Wattled Jacana
- West Peruvian Dove
- Western Barn Owl
- Western Cattle Egret
- Western Jackdaw
- Western Marsh Harrier
- Western Reef Heron
- Western Swamphen
- Western Yellow Wagtail
- Whinchat
- Whiskered Tern
- White-browed Chat-Tyrant
- White-cheeked Pintail
- White-faced Whistling Duck
- White-tailed Eagle
- White-throated Dipper
- White-throated Toucan
- White-winged Tern
- White Stork
- White Wagtail
- Willow Warbler
- Wilson's Phalarope
- Wood Duck
- Wood Sandpiper
- Woodchat Shrike
- Woodlark