Family: Passerellidae (New World sparrows)

Authority: (Sharpe, 1900)

Red List Category

Criteria: D

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Justification of Red List category
This species is listed as Endangered because its population is estimated at fewer than 250 mature individuals. It occupies an extremely small range and is restricted to one location, but has been increasing in numbers since 2003 thanks to intensive conservation efforts, most importantly the protection of habitat and control of a nest parasite. Its status, however, is precarious, and continued conservation efforts will be vital if it is to survive and further improve. Future changes that constrain the level of conservation work implemented so far would risk a worsening in the species's status, in which case it would quickly become eligible for uplisting to Critically Endangered.

BirdLife Species Guardian: Fundación Jocotoco

Population size: 226

Population trend: Increasing

Extent of occurrence (breeding/resident): 1 km²

Country endemic: Yes

Attributes
Land-mass type - continent
Realm - Neotropical
IUCN Ecosystem -- Terrestrial biome