NT
Forest Bittern Zonerodius heliosylus



Family: Ardeidae (Herons)

Authority: (Lesson, 1828)

Red List Category

Criteria: C1

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

Justification of Red List category
This species qualifies as Near Threatened because it has a moderately small population which is thought to be undergoing a slow to moderate decline owing to habitat degradation. Further evidence to suggest that the rate of decline may be slower than previously assessed may mean that this species warrants downlisting in the future.



Population size: 1500-7000

Population trend: Decreasing

Extent of occurrence (breeding/resident): 1,270,000 km2

Country endemic: No

Attributes
Land-mass type - shelf island
Land-mass type - oceanic island
Realm - Oceanic
IUCN Ecosystem -- Freshwater biome
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2018) Species factsheet: Zonerodius heliosylus. Downloaded from http://www.birdlife.org on 13/11/2018. Recommended citation for factsheets for more than one species: BirdLife International (2018) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 13/11/2018.