Data Zone
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.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2020 | Least Concern | |
| 2016 | Least Concern | |
| 2014 | Least Concern |
| Migratory status | full migrant | Forest dependency | medium |
| Land mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 15,500,000 | medium |
| Number of locations | - | |
| Severely Fragmented | - |
| Value | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| No. of mature individuals | 500000-4999999 | poor | estimated | 2016 |
| Population trend | stable | suspected | - | |
| Decline (3 years/1 generation past) | - | - | - | |
| Decline (5 years/1 generation past) | - | - | - | |
| Decline (10 years/1 generation past) | - | - | - | |
| Decline (10 years/3 generation future) | - | - | - | |
| Decline (10 years/3 generation past and future) | - | - | - | |
| Number of subpopulations | - | - | - | |
| Percentage in largest subpopulation | - | - | - | |
| Generation length (yrs) | 6.1 | - | - | - |
Population justification: The global population is estimated to number 500,000-4,999,999 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 | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Argentina | extant | native | yes | |||
| Bolivia | extant | native | yes | |||
| Brazil | extant | native | yes | |||
| Colombia | extant | native | yes | |||
| Costa Rica | extant | native | yes | |||
| Ecuador | extant | native | yes | |||
| French Guiana | extant | native | yes | |||
| Guyana | extant | native | yes | |||
| Panama | extant | native | yes | |||
| Paraguay | extant | native | yes | |||
| Peru | extant | native | yes | |||
| Suriname | extant | native | yes | |||
| Trinidad and Tobago | extant | native | yes | |||
| Venezuela | extant | native | 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 | Primary form used | Life stage used | Source | Scale | Level | Timing |
|---|---|---|---|---|---|---|
| Other (free text) | - | - | non-trivial | recent | ||
| Pets/display animals, horticulture | - | - | international | non-trivial | recent |
Recommended citation
BirdLife International (2023) Species factsheet: Buteo nitidus. Downloaded from
http://datazone.birdlife.org/species/factsheet/grey-lined-hawk-buteo-nitidus on 30/05/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 30/05/2023.
