The imperial brilliant hummingbird is a member of the order Apodiformes and family Trochilidae. Measuring around 15 cm, it has a dark green head and lustrous yellow-green plumage. The side sills are bronze-tinted and enlarged.

The Empress άгіɩɩіаοt is a species of hummingbird belonging to the order Apodiformes and family Trochilidae. It is around 15 cm long.

Black is the bill, dark grey the legs. Longness of the tail varies, particularly in adult males. The throat, chest and face of the male are dark green and shimmering. The throat’s centre is adorned with a pale purple square patch. The cap is dark green, the remainder of the upper sections are dark bronze-green, and the feather is glossy golden green. There is a subtlety to the stretched lateral rectrices.

Females have bronze-green top and middle rectrices. The lateral rectrices, drab black, shimmer bronze. The grayish throat centre and chest have tiny green specks; these become bronze green on the sides and golden green on the belly.

Hummingbird of the Andes cloud forest in western Colombia and northwest Ecuador.

Natural habitats of it include subtropical or tropical moist montane forest and subtropical or tropical moist lowland forest.