Taxonomic source(s)
Beresford, P.; Fjeldså, J.; Kiure, J. 2004. A new species of Akalat (Sheppardia) narrowly endemic in the Eastern Arc of Tanzania. The Auk 121(1): 23-34.
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.
Critically Endangered | Endangered | Vulnerable |
---|---|---|
- | B2ab(iii,v) | B1ab(iii,v)+2ab(iii,v) |
Year | Category | Criteria |
---|---|---|
2017 | Endangered | B2ab(iii,v) |
2016 | Endangered | B1ab(iii,v) |
2012 | Endangered | B1ab(iii,v) |
2008 | Endangered | B1a+b(iii) |
2004 | Not Recognised | |
2000 | Not Recognised | |
1994 | Not Recognised | |
1988 | Not Recognised |
Migratory status | not a migrant | Forest dependency | high |
Land-mass type |
continent |
Average mass | - |
Estimate | Data quality | |
---|---|---|
Extent of Occurrence (breeding/resident) | 10,100 km2 | medium |
Area of Occupancy (breeding/resident) | 200 km2 | |
Number of locations | 2-5 | - |
Severely fragmented? | no | - |
Estimate | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
Population size | unknown | - | - | - |
Population trend | decreasing | poor | suspected | - |
Rate of change over the past 10 years/3 generations (longer of the two periods) | 1-19% | - | - | - |
Rate of change over the future 10 years/3 generations (longer of the two periods) | 1-19% | - | - | - |
Generation length | 3.8 years | - | - | - |
Population justification: The population size of this species has not been quantified, but it is described as fairly common.
Trend justification: The species is suspected to be declining at a slow to moderate rate, owing to habitat loss and degradation.
Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
---|---|---|---|---|---|---|
Tanzania | extant | native | yes |
Country/Territory | IBA Name |
---|
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Forest | Subtropical/Tropical Moist Montane | major | resident |
Altitude | 1800 - 2200 m | Occasional altitudinal limits |
Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
---|---|---|---|---|---|---|---|---|---|
Agriculture & aquaculture | Annual & perennial non-timber crops - Small-holder farming | Timing | Scope | Severity | Impact | ||||
Ongoing | Majority (50-90%) | Rapid Declines | Medium Impact: 7 | ||||||
|
|||||||||
Biological resource use | Logging & wood harvesting - Unintentional effects: (subsistence/small scale) [harvest] | Timing | Scope | Severity | Impact | ||||
Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
Recommended citation
BirdLife International (2024) Species factsheet: Rubeho Akalat Sheppardia aurantiithorax. Downloaded from
https://datazone.birdlife.org/species/factsheet/rubeho-akalat-sheppardia-aurantiithorax on 23/11/2024.
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 23/11/2024.