The White-bellied Mountain-gem (Oreopyra hemileucus) is a species of hummingbird in the Trochilidae family. It is found in Costa Rica and Panama.

Its natural habitat is subtropical or tropical moist montanes.

Source

• BirdLife International 2004. Lampornis hemileucus. 2006 IUCN Red List of Threatened Species. Downloaded on 10 July 2007.

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