- Wahlberg's Eagle
- Wallcreeper
- Wedge-tailed Eagle
- Wedge-tailed Shearwater
- Western Bluebird
- Western Gull
- Western Kingbird
- Western Meadowlark
- Western Olivaceous Warbler
- Western Osprey
- Western Plantain-eater
- Western Red-billed Hornbill
- Western Reef Heron
- Western Violet-backed Sunbird
- Western Wood Pewee
- Whimbrel
- Whistling Kite
- White-breasted Cormorant
- White-breasted Woodswallow
- White-browed Scrubwren
- White-crowned Sparrow
- White-faced Heron
- White-faced Ibis
- White-fronted Plover
- White-headed Munia
- White-headed Woodpecker
- White-necked Heron
- White-rumped Seedeater
- White-tailed Tropicbird
- White-throated Swift
- White-winged Chough
- White-winged Dove
- Willet
- Willie Wagtail
- Wilson's Phalarope
- Wilson's Warbler
- Wire-tailed Swallow
- Woodhouse's Scrub Jay
- Woodland Kingfisher