• Summary
• Text account
• Data table and detailed info
• Distribution map
• Reference and further resources

Taxonomic note

Buteo nitidus and B. plagiatus (del Hoyo and Collar 2014) were previously lumped as B. nitidus following AOU (2006), the gender agreement of which follows David and Gosselin (2002a), and before then were placed in the genus Asturina following AOU (1998), and before then were split as A. nitida and A. plagiata 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. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.

Red List criteria met

Critically Endangered	Endangered	Vulnerable
-	-	-

Red List history

Year	Category	Criteria
2020	Least Concern
2016	Least Concern
2014	Least Concern
2012	Not Recognised
2008	Not Recognised
2004	Not Recognised
2000	Not Recognised
1994	Not Recognised
1988	Not Recognised

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

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	3,550,000 km2	medium
Extent of Occurrence (non-breeding)	3,060,000 km2	medium
Severely fragmented?	no	-

	Estimate	Data quality	Derivation	Year of estimate
Population size	2000000 mature individuals	medium	estimated	2016
Population trend	stable	-	suspected	-
Generation length	6 years	-	-	-

Population justification: The global population is estimated to number 2 million mature individuals (Partners in Flight 2019).

Trend justification: The population is thought to be stable (Partners in Flight 2019).

Country/Territory	Presence	Origin	Resident	Breeding visitor	Non-breeding visitor	Passage migrant
Belize	extant	native	yes
Costa Rica	extant	native	yes
El Salvador	extant	native	yes
Guatemala	extant	native	yes
Honduras	extant	native	yes
Mexico	extant	native	yes	yes
Nicaragua	extant	native	yes
USA	extant	native	yes	yes

Country/Territory	IBA Name

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Dry	suitable	breeding
Forest	Subtropical/Tropical Dry	suitable	non-breeding
Forest	Subtropical/Tropical Moist Lowland	suitable	breeding
Forest	Subtropical/Tropical Moist Lowland	suitable	non-breeding
Savanna	Dry	suitable	breeding
Savanna	Dry	suitable	non-breeding
Savanna	Moist	suitable	breeding
Savanna	Moist	suitable	non-breeding
Altitude	0 - 800 m	Occasional altitudinal limits	(max) 1300 m

Purpose	Scale
Pets/display animals, horticulture	subsistence, national

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Recommended citation
BirdLife International (2024) Species factsheet: Grey Hawk Buteo plagiatus. Downloaded from https://datazone.birdlife.org/species/factsheet/grey-hawk-buteo-plagiatus on 21/12/2024.
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 21/12/2024.