CR
Silvery Pigeon Columba argentina



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Red List Category

Criteria: D

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Justification of Red List category
Photographs taken in 2008 and 2010 confirm that this species survives in the wild. However, it is listed as Critically Endangered because it is precautionarily assumed to have a tiny population. There is now a greater chance of recording the species following the documentation of key identification criteria, and it may warrant downlisting if future surveys find it to be more numerous than was feared.



Population size: 1-49 mature individuals

Population trend: Decreasing

Distribution size (breeding/resident): 21 km2

Country endemic: No

Attributes
Land-mass type - shelf island - Continental islands include all other islands or island groups. Generally they were once part of continents and lie on a continental shelf of < 200 m sea depth.
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 - Indomalayan - realm
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2016) Species factsheet: Columba argentina. Downloaded from http://www.birdlife.org on 04/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 04/12/2016.