The black flowerpiercer (Diglossa humeralis) is uniformly black with subtle blue gloss and a typical flowerpiercer bill – upswept with a hooked tip and a white line. It has brown eyes and a black bill with a grey base. Females are a duller black with no blue gloss and their wings and tail are brownish. Juvenile birds are also duller. It drinks by stealing nectar from flowers by piercing the base of the flower. It also feeds on small invertebrates.Found in Colombia, Ecuador, Peru, and Venezuela, its natural habitat is subtropical or tropical moist mountains, subtropical or tropical high-altitude shrubland, and heavily degraded former forest.