ミミグロハチドリ Adelomyia melanogenys

Small brownish hummingbird with distinctive black cheek and pale buffy eyebrow. Throat variably speckled; some populations are cleaner than others. Green back; dark tail with buffy corners. Face pattern could recall a hermit, but combination of small size, straight dark bill, and squared tail should alleviate any confusion. Widespread and fairly common in the Andes, where it forages low within forest or at the forest edge. Found from 1,000–3,000m. Visits feeders.