Australasian Bittern Botaurus poiciloptilus

Family: Ardeidae (Herons)

Authority: (Wagler, 1827)

Red List Category

Criteria: C2a(i)

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Justification of Red List category
This species has a small population that is declining primarily owing to the degradation of its wetland habitats, with less than 1,000 mature individuals in the largest subpopulation if, precautionarily, the plausible lower bound is followed. For these reasons it is assessed as Vulnerable.

Population size: 1000-2499

Population trend: Decreasing

Extent of occurrence (breeding/resident): 10,200,000 km2

Country endemic: No

Land-mass type - Australia
Land-mass type - oceanic island
Realm - Oceanic
IUCN Ecosystem -- Freshwater biome
IUCN Ecosystem -- Marine biome

Recommended citation
BirdLife International (2023) Species factsheet: Botaurus poiciloptilus. Downloaded from on 26/09/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from on 26/09/2023.