This hummingbird lives in forest on Peru’s eastern Andes. It has green upperparts, white underparts and a gray tail, with records from about 1,000 to 2,750 m.
It is about 10.5 cm long, green above and white below with green flanks. The tail is entirely gray, and the bill is nearly straight.
It favors forest, unlike the similar White-bellied Hummingbird, which uses more open habitat. Records are from about 1,000 to 2,750 m on the eastern Andes.
An extinction-risk assessment has not been added yet.