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Madagascar Pond-heron Ardeola idae



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Red List Category

Criteria: C2a(ii)

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Justification of Red List category
This species is listed as Endangered because it has a very small population which is undergoing a continuing decline because many of its breeding colonies are heavily and increasingly exploited for eggs and young. This exploitation is exacerbated by pressures on its wetland habitats.

Population size: 1300-4000 mature individuals

Population trend: Decreasing

Distribution size (breeding/resident): 553,000 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 - Afrotropical - realm
IUCN Ecosystem -- Freshwater biome
IUCN Ecosystem -- Terrestrial biome
IUCN Ecosystem -- Marine biome

Recommended citation
BirdLife International (2016) Species factsheet: Ardeola idae. 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.