- Water Pipit
- Water Rail
- Water Thick-knee
- Wattled Jacana
- Wedge-tailed Grass Finch
- Western Bonelli's Warbler
- Western Cattle Egret
- Western Jackdaw
- Western Marsh Harrier
- Western Nicator
- Western Osprey
- Western Plantain-eater
- Western Red-billed Hornbill
- Western Reef Heron
- Western Swamphen
- Western Yellow Wagtail
- Western Yellow Wagtail (feldegg)
- Whimbrel
- Whimbrel (hudsonicus)
- Whinchat
- Whiskered Tern
- White-backed Vulture
- White-bibbed Swallow
- White-cheeked Pintail
- White-crested Helmetshrike
- White-eyed Parakeet
- White-faced Whistling Duck
- White-fronted Plover
- White-headed Marsh Tyrant
- White-rumped Sandpiper
- White-tailed Tropicbird
- White-throated Bee-eater
- White-throated Dipper
- White-winged Swallow
- White-winged Tern
- White Hawk
- White Stork
- White Wagtail
- White Wagtail (yarrellii)
- Whooper Swan
- Willet
- Willow Warbler
- Wood Duck
- Wood Sandpiper
- Wood Warbler
- Woodchat Shrike
- Woodland Kingfisher
- Woodlark
- Woolly-necked Stork