Data Zone
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 |
|---|---|---|
| 2024 | Least Concern | |
| 2016 | Least Concern | |
| 2012 | Least Concern | |
| 2009 | Least Concern | |
| 2008 | Least Concern | |
| 2004 | Least Concern | |
| 2000 | Lower Risk/Least Concern | |
| 1994 | Lower Risk/Least Concern | |
| 1988 | Lower Risk/Least Concern |
| Migratory status | not a migrant | Forest dependency | low |
| Land-mass type | Average mass | 8 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 103,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | - | - | - |
| Population trend | stable | - | suspected | - |
| Generation length | 2.33 years | - | - | - |
Population justification: The global population size has not been quantified, but the species is reported to be locally common to uncommon (Fry and Keith 2004). The population is suspected to be stable in the absence of evidence for any declines or substantial threats.
Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Cameroon | extant | native | yes | |||
| Equatorial Guinea | extant | native | yes | |||
| Nigeria | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Cameroon | Bakossi mountains |
| Cameroon | Bali-Ngemba Forest Reserve |
| Cameroon | Mbi Crater Faunal Reserve - Mbingo forest |
| Cameroon | Mont Bana |
| Cameroon | Mont Manengouba |
| Cameroon | Mount Cameroon and Mokoko-Onge |
| Cameroon | Mount Kupe |
| Cameroon | Mount Mbam |
| Cameroon | Mount Oku |
| Cameroon | Njinsing - Tabenken |
| Cameroon | Tchabal-Mbabo |
| Equatorial Guinea | Basilé Peak National Park |
| Equatorial Guinea | Luba Caldera Scientific Reserve |
| Nigeria | Gashaka-Gumti National Park |
| Nigeria | Ngel-Nyaki Forest Reserve |
| Nigeria | Obudu Plateau |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Terrestrial | Plantations | suitable | resident |
| Forest | Subtropical/Tropical Moist Lowland | suitable | resident |
| Savanna | Dry | suitable | resident |
| Shrubland | Subtropical/Tropical Moist | suitable | resident |
| Altitude | 1200 - 2400 m | Occasional altitudinal limits |
Recommended citation
BirdLife International (2024) Species factsheet: Shelley's Oliveback Nesocharis shelleyi. Downloaded from
https://datazone.birdlife.org/species/factsheet/shelleys-oliveback-nesocharis-shelleyi on 22/11/2024.
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 22/11/2024.