White-vented Plumeleteers (Chalybura buffonii)
The White-vented Plumeleteers (Chalybura buffonii) are fairly common South American hummingbirds that occur naturally in Colombia, Ecuador, Panama, Peru and Venezuela. They inhabit humid woodland, secondary growth and open forest borders (usually not inside dense forests) of lowlands and lower highlands. They are usually seen singly or in pairs in the lower story of woodland or along shady borders.
The female is green above and greyish on the underside.