The Red-billed Tyrannulet is classified as Least Concern. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category.
The Red-billed Tyrannulet (Zimmerius cinereicapilla) is a species of bird in the Tyrannidae family. It is found in Bolivia, Ecuador, and Peru. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montanes. References - * BirdLife International 2004. Zimmerius cinereicapilla. 2006 IUCN Red List of Threatened Species. Downloaded on 27 July 2007. More