The Yellow-crowned Tyrannulet (Tyrannulus elatus) is a species of bird in the Tyrannidae family. It is monotypic within the genus Tyrannulus. It is found in Bolivia, Brazil, Colombia, Costa Rica, Ecuador, French Guiana, Guyana, Panama, Peru, Suriname, and Venezuela. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical swamps, and heavily degraded former forest.
- BirdLife International 2004. Tyrannulus elatus. 2006 IUCN Red List of Threatened Species. Downloaded on 27 July 2007.