Copper-rumped Hummingbird is a small but very graceful bird who lives in the forests of Venezuela and Trinidad and Tobago. Copper-rumped Hummingbirds are normally found near gardens and the floral cultivation because they depend upon the nectar taken from the flowers and the insects revolving around the flowers.

The Copper-rumped Hummingbird is a 8.6 cm long graceful bird which weighs 4.7 g. The bill of this small hummingbird is fairly long, straight and mostly black with some pink on the lower mandible. The adult Copper-rumped Hummingbird has copper-green upper parts, becoming copper-bronze on the rump. The head and underparts of Copper-rumped Hummingbird are bright green, the thighs are white and the tail and legs are black. The sexes are similar.

The female Copper-rumped Hummingbird lays its eggs in a small cup shaped nest on a low branch, or sometimes wires or clotheslines. The incubation period is about 16–17 days, along with fledging another 19-23, and there may be up to three broods in a season. The Copper-rumped Hummingbird which is a small but very graceful bird is the predominant species of hummingbird in the Trinidad and Tobago.