SCIENTIFIC NAME: Haplophaedia assimilis
The Buff-Thighed Puffleg is a species of hummingbird in the family Trochilidae. It is often considered a subspecies of the Greenish Puffleg.
It is a small hummingbird, about 4.1 inches long.
It has green upperparts. Feathers on the underparts are green fringed with whitish giving a somewhat a scaly effect. The center of belly and vent areas is whitish in some individuals. Its legs are covered by puffs of fluffy cream-colored feathers, and its fairly long tail is iridescent navy blue. Bill is black, thin and very straight.
Females are similar to males but with grayer bellies.
Its range does not overlap with the similar and closely related Greenish Puffleg.
Subtropical or tropical moist montane forest and heavily degraded former forest.
Bolivia and Peru.