Habitat: This Gnatwren species can be commonly found in lower growth of forest borders, second-growth woodland and dense overgrown clearing habitats. It is mostly found in the lowlands and foothills. Distribution: This species has been reported from southeastern Mexico to eastern Peru and Amazonian and eastern Brazil. Natural History Notes: The Long-billed Gnatwren is usually found in pairs and you may have better chances to hear it than seeing it. Its call consists of a a trilled "drdrdrdrdrdrdrdrdrdr" rising in intensity and softening toward the last note. Conservation status according to IUCN 2008 Red list: Least Concern (LC). It is a resident species. Characteristics: This species has a total length of 12 cm (measured from tip of bill to end of tail). As the common name says it well, this bird is characterized by a very long, slim and straight yellow bill. Also, it has a long tail that is often cocked. The plumage consists of a gray-olive coloration on the above with a brown crown and a brown hindneck. Also, the sides of the head and the neck are cinnamon red. The plumage below is mostly beige except for the throat that is whitish and that shows some gray stripes. Finally, the tail is black but we can see that the feathers are tipped white.