Pirre Warbler Basileuterus ignotus

Family: Parulidae (New World warblers)

Authority: Nelson, 1912

Red List Category

Criteria: D2

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Justification of Red List category
This species is classified as Vulnerable because it has a very small range and is known from just two locations. It is therefore highly susceptible to stochastic events, and may be increasingly threatened in the near future by potential human developments in the area.

Population size: 600-1700

Population trend: Stable

Extent of occurrence (breeding/resident): 1,600 km2

Country endemic: No

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

Recommended citation
BirdLife International (2020) Species factsheet: Basileuterus ignotus. Downloaded from on 29/05/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from on 29/05/2020.