Heinrich's Nightjar Eurostopodus diabolicus

Family: Caprimulgidae (Nightjars)

Authority: Stresemann, 1931

Red List Category

Criteria: C2a(i)

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Justification of Red List category
Although recent records suggest that this species may be widespread and overlooked rather than rare, and that it tolerates habitat disturbance, it is precautionarily treated as Vulnerable because it is thought to have a small population, which is in decline owing to forest loss and degradation. Fieldwork is required to clarify its status, and this may lead to its downlisting.

Population size: 2500-9999

Population trend: Decreasing

Extent of occurrence (breeding/resident): 59,800 km2

Country endemic: Yes

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

Recommended citation
BirdLife International (2023) Species factsheet: Eurostopodus diabolicus. Downloaded from on 29/03/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from on 29/03/2023.