CR
Medium Tree-finch Camarhynchus pauper



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Red List Category

Criteria: B1ab(v)

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Justification of Red List category
This species qualifies as Critically Endangered as it has a very small range on a single island, and recent information suggests that it is declining rapidly owing to the effects of the dipterid parasite Philornis downsi.



Population size: 600-1700 mature individuals

Population trend: Decreasing

Distribution size (breeding/resident): 23 km2

Country endemic: Yes

Attributes
Land-mass type - oceanic island - Oceanic islands are islands or island groups that are <200,000 sq km in size and separated from other land masses by >200 m sea depth. Generally Oceanic islands are islands or island groups that are <200,000 sq km in size and separated from other land masses by >200 m sea depth. Generally they have never been connected to a continental area by a land-ridge, and are volcanic in origin.
Realm - Neotropical - realm
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2016) Species factsheet: Camarhynchus pauper. Downloaded from http://www.birdlife.org on 06/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 06/12/2016.