Data Zone
Taxonomic source(s)
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2016 | Not Recognised | |
| 2014 | Not Recognised | |
| 2012 | Vulnerable | B1ab(ii,iii,v) |
| 2008 | Vulnerable | B1a+b(ii,iii,v) |
| 2004 | Vulnerable | |
| 2000 | Vulnerable | |
| 1996 | Vulnerable | |
| 1994 | Vulnerable | |
| 1988 | Threatened |
| Migratory status | unset | Forest dependency | unset |
| Land-mass type |
continent |
Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | - | - | - |
| Population trend | - | - | - |
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Tanzania | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Tanzania | East Usambara Mountains |
| Tanzania | Mount Rungwe |
| Tanzania | Nguru Mountains |
| Tanzania | Rubeho Mountains |
| Tanzania | Udzungwa Mountains |
| Tanzania | Udzungwa National Park |
| Tanzania | Uluguru Mountains |
| Tanzania | West Usambara Mountains |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Altitude | Occasional altitudinal limits |
Recommended citation
BirdLife International (2024) Species factsheet: Bubo vosseleri. Downloaded from
https://datazone.birdlife.org/species/factsheet/bubo-vosseleri on 26/12/2024.
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 26/12/2024.