White-crested elaenia 
White-eyed tody-tyrant 
White-fronted ground tyrant 
White-headed Marsh Tyrant 
White-lored tyrannulet 
White-tailed Shrike-Tyrant 
White-tailed tyrannulet 
White-throated spadebill 
White-throated tyrannulet 
White-winged black tyrant 
Willow flycatcher 
Wing-barred piprites 
Yellow tyrannulet 
Yellow-bellied Chat-Tyrant 
Yellow-bellied elaenia 
Yellow-bellied flycatcher 
Yellow-breasted Flycatcher 
Yellow-browed tody-flycatcher 
Yellow-browed Tyrant 
Yellow-crowned elaenia 
Yellow-crowned Tyrannulet 
Yellow-margined flycatcher 
Yellow-olive flatbill 
Yellowish flycatcher