- Wahlberg's Eagle
- Water Thick-knee
- Wattled Crane
- Wattled Jacana
- Wattled Starling
- Wedge-billed Woodcreeper
- Wedge-tailed Grass Finch
- Wedge-tailed Hillstar
- West Peruvian Dove
- Western Banded Snake Eagle
- Western Barn Owl
- Western Cattle Egret
- Western Fire-eye
- Western Striolated Puffbird
- Whistling Heron
- White-backed Mousebird
- White-backed Stilt
- White-backed Vulture
- White-banded Mockingbird
- White-barred Piculet
- White-bearded Manakin
- White-bellied Seedeater
- White-bellied Sunbird
- White-bellied Tanager
- White-bellied Woodstar
- White-bibbed Antbird
- White-breasted Cormorant
- White-breasted Tapaculo
- White-browed Antpitta
- White-browed Chat-Tyrant
- White-browed Coucal
- White-browed Foliage-gleaner
- White-browed Meadowlark
- White-browed Robin-Chat
- White-browed Scrub Robin
- White-browed Sparrow-Weaver
- White-capped Dipper
- White-cheeked Pintail
- White-collared Foliage-gleaner
- White-collared Jay
- White-crested Elaenia
- White-crested Helmetshrike
- White-crested Tyrannulet
- White-crowned Lapwing
- White-crowned Manakin
- White-eared Barbet
- White-eared Puffbird
- White-eyed Attila
- White-eyed Foliage-gleaner
- White-eyed Parakeet
- White-faced Whistling Duck
- White-flanked Antwren
- White-fronted Bee-eater
- White-fronted Plover
- White-fronted Woodpecker
- White-headed Marsh Tyrant
- White-headed Vulture
- White-lined Tanager
- White-lored Euphonia
- White-lored Spinetail
- White-necked Hawk
- White-necked Raven
- White-necked Thrush
- White-rimmed Warbler
- White-rumped Monjita
- White-rumped Tanager
- White-shouldered Fire-eye
- White-spotted Woodpecker
- White-tailed Hawk
- White-tailed Tropicbird
- White-thighed Swallow
- White-throated Canary
- White-throated Hummingbird
- White-throated Piping Guan
- White-throated Seedeater
- White-throated Spadebill
- White-throated Swallow
- White-throated Toucan
- White-throated Tyrannulet
- White-throated Woodcreeper
- White-throated Xenops
- White-tipped Dove
- White-tipped Plantcutter
- White-tufted Grebe
- White-vented Violetear
- White-wedged Piculet
- White-winged Becard
- White-winged Black Tyrant
- White-winged Cinclodes
- White-winged Coot
- White-winged Shrike-Tanager
- White-winged Swallow
- White-winged Tern
- White-winged Widowbird
- White Monjita
- White Stork
- White Tern
- White Wagtail
- White Woodpecker
- Whyte's Barbet
- Wilson's Phalarope
- Wire-tailed Swallow
- Wood Sandpiper
- Wood Stork
- Woodland Kingfisher
- Wren-like Rushbird