Taxonomic note
Crithagra melanochroa (del Hoyo and Collar 2016) was previously placed in the genus Serinus and listed as S. melanochrous following Sibley & Monroe (1990, 1993).
Taxonomic source(s)
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 |
---|---|---|
- | - | - |
Year | Category | Criteria |
---|---|---|
2017 | Least Concern | |
2016 | Near Threatened | B1ab(iii,v) |
2012 | Near Threatened | B1ab(iii,v) |
2008 | Near Threatened | B1a+b(iii,v) |
2004 | Near Threatened | |
2000 | Lower Risk/Near Threatened | |
1994 | Lower Risk/Near Threatened | |
1988 | Lower Risk/Least Concern |
Migratory status | not a migrant | Forest dependency | Low |
Land mass type |
Land-mass type - continent |
Average mass | - |
Estimate | Data quality | |
---|---|---|
Extent of Occurrence breeding/resident (km2) | 70,700 | medium |
Number of locations | - | |
Severely Fragmented | - |
Value | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
No. of mature individuals | unknown | not applicable | not applicable | 0 |
Population trend | Decreasing | 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 | 100 | - | - | - |
Generation length (yrs) | 3.8 | - | - | - |
Population justification: The global population size has not been quantified, but the species is described as uncommon (Clement 1999).
Trend justification: The population is suspected to be decreasing owing to habitat clearance and degradation, however the rate of decline has not been quantified.
Country/Territory | Occurrence status | Presence | Resident | Breeding | Non-breeding | Passage |
---|---|---|---|---|---|---|
Tanzania | N | Extant | Yes |
Country/Territory | IBA Name |
---|---|
Tanzania | Udzungwa National Park |
Tanzania | Livingstone Mountains forests |
Tanzania | Njombe forests |
Tanzania | Mount Rungwe |
Tanzania | Udzungwa Mountains |
Tanzania | Umalila Mountains |
Tanzania | Kitulo plateau |
Tanzania | Udzungwa Mountain Range |
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Forest | Subtropical/Tropical Moist Montane | major | resident |
Shrubland | Mediterranean-type Shrubby Vegetation | suitable | resident |
Shrubland | Subtropical/Tropical High Altitude | major | resident |
Altitude | 1500 - 3000 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%) | Slow, Significant Declines | Medium Impact: 6 | ||||||
|
|||||||||
Agriculture & aquaculture | Wood & pulp plantations - Agro-industry plantations | Timing | Scope | Severity | Impact | ||||
Ongoing | Majority (50-90%) | Slow, Significant Declines | Medium Impact: 6 | ||||||
|
|||||||||
Biological resource use | Logging & wood harvesting - Unintentional effects: (subsistence/small scale) [harvest] | Timing | Scope | Severity | Impact | ||||
Ongoing | Majority (50-90%) | Slow, Significant Declines | Medium Impact: 6 | ||||||
|
|||||||||
Climate change & severe weather | Habitat shifting & alteration | Timing | Scope | Severity | Impact | ||||
Future | Whole (>90%) | Unknown | Unknown | ||||||
|
Recommended citation
BirdLife International (2022) Species factsheet: Crithagra melanochroa. Downloaded from
http://www.birdlife.org on 10/08/2022.
Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 10/08/2022.