- Wattled Jacana
- Waved Woodpecker
- Wedge-billed Woodcreeper
- Wedge-tailed Grass Finch
- Western Cattle Egret
- Whiskered Myiobius
- White-banded Swallow
- White-bearded Manakin
- White-cheeked Pintail
- White-chinned Sapphire
- White-crowned Manakin
- White-eyed Parakeet
- White-headed Marsh Tyrant
- White-lored Tyrannulet
- White-necked Jacobin
- White-necked Thrush
- White-plumed Antbird
- White-tailed Hawk
- White-thighed Swallow
- White-throated Manakin
- White-throated Pewee
- White-throated Toucan
- White-tipped Dove
- White-vented Euphonia
- White-winged Becard
- White-winged Swallow
- White Bellbird
- White Hawk
- White Stork
- White Wagtail
- Willet
- Wing-barred Seedeater
- Wood Stork