This hummingbird is 8.5 cm and weighs 3.5 grams. Its beak is red with a black tip. Its brilliant green plumage covering dorsal and ventral sides presents a golden glow over the forehead and more intense bluish throat. The tail feathers are blue. The female distinguished by a curved white line behind the eyes and the tip of the whitish tail.
Sound manifestations: It has pitched voice sometimes barely audible vocalization for us. It has different voices to express attack, weapon etc. Often toned in flight.