Japanese Night-heron Gorsachius goisagi

Family: Ardeidae (Herons)

Authority: (Temminck, 1835)

Red List Category

Criteria: C2a(ii)

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Justification of Red List category
This species has been downlisted in status due to a larger population size than previously considered. However based on ongoing deforestation across breeding areas and trapping pressures across wintering grounds, the population is inferred to be undergoing a continued decline. Thus, the species now qualifies for listing as Vulnerable. 

Population size: 5000-9999

Population trend: Decreasing

Extent of occurrence (breeding/resident): 1,010,000 km2

Country endemic: No

Land-mass type - continent
Realm - Indomalayan
Realm - Palearctic
IUCN Ecosystem -- Freshwater biome
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2023) Species factsheet: Gorsachius goisagi. Downloaded from on 22/09/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from on 22/09/2023.