Movement The Napo sabrewing's movements, if any, are not known.
Feeding The Napo sabrewing forages for nectar from the understory to the mid-strata of the forest. In addition to nectar it feeds on small insects by
hawking from a perch. No details of its diet are known.
Breeding Napo sabrewings have been noted in breeding condition in October and November, but nothing else is known about the species' breeding
phenology.
Vocalization The Napo sabrewing's song is "a long series of two notes repeated continuously at evenly spaced intervals 'tslip...tseek...tslip...tseek...' or 'trrip...tseek...trrip...tseek'." Its calls include "a single 'chip' or doubled 'chirrip'" that sometimes become a short rattle. ==Status==