This small hummingbird occurs in foothill forests on the eastern side of the Andes in Peru and Bolivia. Its long, slightly downcurved bill and white eyebrow are distinctive.
It is about 10 cm long, with a long, slightly downcurved bill, a white eyebrow and a dark eye mask. Males have a black band across the breast.
Records and compiled habitat data place it in forest understory, bamboo thickets, second growth and scrub at about 500–1,050 m. It is classified as a nectar-feeder.
An extinction-risk assessment has not been added yet.