Pirre Warbler Basileuterus ignotus

Search terms 

Red List Category

Criteria: D2

Click here for more information about the Red List categories and criteria

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 mature individuals

Population trend: Stable

Distribution size (breeding/resident): 180 km2

Country endemic: No

Land-mass type - continent - Continents are land masses > bigger than Australia (=7,682,300 sq km).
Realm - Neotropical - realm
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2016) Species factsheet: Basileuterus ignotus. Downloaded from on 06/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from on 06/12/2016.