LC
Socotra Grosbeak Rhynchostruthus socotranus



Taxonomy

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.
Kirwan, G. M.; Grieve, A. 2007. Studies of Socotran birds II. One, two or three species: towards a rational taxonomy for the Golden-winged Grosbeak Rhynchostruthus socotranus. Bulletin of the African Bird Club 14(2): 159-169.

IUCN Red List criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2024 Least Concern
2016 Least Concern
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Not Recognised
2000 Not Recognised
1994 Not Recognised
1988 Not Recognised
Species attributes

Migratory status not a migrant Forest dependency low
Land-mass type Average mass -
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 4,300 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size 6500 mature individuals poor estimated 2007
Population trend stable - suspected -
Generation length 3.02 years - - -

Population justification: Kirwan and Grieve (2007). 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 distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Yemen extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Yemen Diksam (Socotra)
Yemen Firmihin near Jabal Keseslah (Socotra)
Yemen Haggeher (Socotra)
Yemen Hamaderoh plateau and scarp (Socotra)
Yemen Jabal Ma'alah / Ma'alah Plateau (Socotra)
Yemen Limestone plateau above Siko village (Socotra)
Yemen Noged Plain (Socotra)
Yemen North slopes of the Haggeher Mountains (Socotra)
Yemen Wadi Ayhaft (Socotra)
Yemen Wadi Di Negehen (Socotra)
Yemen Wadi Merkoh (Socotra)

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Dry suitable resident
Grassland Subtropical/Tropical Dry suitable resident
Rocky areas (eg. inland cliffs, mountain peaks) suitable resident
Shrubland Subtropical/Tropical Dry suitable resident
Altitude 1060 - 2800 m Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Climate change & severe weather Habitat shifting & alteration Timing Scope Severity Impact
Future Whole (>90%) Unknown Unknown
Stresses
Indirect ecosystem effects, Ecosystem degradation

Recommended citation
BirdLife International (2024) Species factsheet: Socotra Grosbeak Rhynchostruthus socotranus. Downloaded from https://datazone.birdlife.org/species/factsheet/socotra-grosbeak-rhynchostruthus-socotranus on 23/12/2024.
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 23/12/2024.