The Glittering-throated Emerald (Amazilia fimbriata), sometimes placed in the genus Polyerata, is a species of hummingbird in the Trochilidae family. It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, Trinidad and Tobago, and Venezuela. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical dry shrubland, and heavily degraded former forest.