Northern Boobook (Ninox japonica) - BirdLife species factsheet

Northern Boobook Ninox japonica

Current view: Data table and detailed info

Taxonomy

Taxonomic note

Ninox scutulata, N. japonica, N. randi and N. obscura (del Hoyo and Collar 2014) were previously lumped as N. scutulata following Sibley and Monroe (1990, 1993).

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.

IUCN Red List criteria met and history

Red List criteria met

Critically Endangered	Endangered	Vulnerable
-	-	-

Red List history

Year	Category	Criteria
2016	Least Concern
2014	Least Concern
2012	Not Recognised
2008	Not Recognised
2004	Not Recognised
2000	Not Recognised
1994	Not Recognised
1988	Not Recognised

Species attributes

Migratory status	full migrant	Forest dependency	medium
Land-mass type		Average mass	191 g

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	8,370,000 km²
Extent of Occurrence (non-breeding)	7,380,000 km²
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	stable	-	suspected	-
Generation length	4.1 years	-	-	-

Population justification: The global population size has not been quantified, but the species is reported to be common to uncommon (del Hoyo et al. 1999).

Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

Country/territory distribution

Country/Territory	Presence	Origin	Breeding visitor	Non-breeding visitor	Passage migrant
Brunei	extant	native		yes
China (mainland)	extant	native	yes
Hong Kong (China)	extant	native	yes
Indonesia	extant	native		yes
Japan	extant	native	yes
Malaysia	extant	native		yes
North Korea	extant	native	yes
Palau	extant	uncertain
Philippines	extant	native			yes
Russia	extant	native	yes
Russia (Asian)	extant	native	yes
South Korea	extant	native	yes
Taiwan, China	extant	native			yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Artificial/Terrestrial	Arable Land	suitable	breeding
Artificial/Terrestrial	Arable Land	suitable	non-breeding
Artificial/Terrestrial	Pastureland	suitable	breeding
Artificial/Terrestrial	Pastureland	suitable	non-breeding
Artificial/Terrestrial	Plantations	suitable	non-breeding
Artificial/Terrestrial	Plantations	suitable	breeding
Artificial/Terrestrial	Rural Gardens	suitable	breeding
Artificial/Terrestrial	Rural Gardens	suitable	non-breeding
Artificial/Terrestrial	Urban Areas	suitable	breeding
Artificial/Terrestrial	Urban Areas	suitable	non-breeding
Forest	Boreal	suitable	non-breeding
Forest	Subtropical/Tropical Moist Lowland	suitable	non-breeding
Forest	Subtropical/Tropical Swamp	suitable	non-breeding
Forest	Temperate	suitable	breeding
Shrubland	Subtropical/Tropical Dry	suitable	non-breeding
Shrubland	Subtropical/Tropical Moist	suitable	non-breeding
Shrubland	Temperate	suitable	breeding
Altitude	0 - 1500 m	Occasional altitudinal limits

Utilisation

Purpose	Scale
Food - human	subsistence, national
Pets/display animals, horticulture	international

Recommended citation
BirdLife International (2024) Species factsheet: Northern Boobook Ninox japonica. Downloaded from https://datazone.birdlife.org/species/factsheet/northern-boobook-ninox-japonica on 22/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 22/11/2024.