White-crested Elaenia
Elaenia albiceps
The white-crested elaenia (Elaenia albiceps) is a species of bird in the family Tyrannidae, the tyrant flycatchers. It has several subspecies breeding across southern and western parts of South America. Southern birds migrate north in winter.
Its natural habitats are temperate forests, subtropical or tropical moist montane forests, subtropical or tropical high-altitude shrubland, and heavily degraded former forest.