LC
Grey-headed Imperial-pigeon Ducula radiata



Taxonomy

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.

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

Red List history
Year Category Criteria
2018 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
Species attributes

Migratory status nomadic Forest dependency high
Land mass type Average mass -
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 376,000
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals unknown not applicable not applicable 0
Population trend decreasing inferred -
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 - - -
Generation length (yrs) 6.6 - - -

Population justification: The global population size has not been quantified, but the species is reported to be widespread but uncommon (del Hoyo et al. 1997).

Trend justification:

The species is tentatively assessed as being in decline due to habitat loss per Tracewski et al. (2016).


Country/territory distribution
Country/Territory Presence Origin Resident Breeding Non-breeding Passage
Indonesia extant native

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Indonesia Bogani Nani Wartabone
Indonesia Buton Utara
Indonesia Feruhumpenai - Matano
Indonesia Karaeng - Lompobattang
Indonesia Lambusango
Indonesia Lore Lindu
Indonesia Morowali
Indonesia Rawa Aopa Watumohai

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland suitable resident
Forest Subtropical/Tropical Moist Montane suitable resident
Altitude 200 - 2400 m Occasional altitudinal limits  

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Pets/display animals, horticulture - - international non-trivial recent

Recommended citation
BirdLife International (2023) Species factsheet: Ducula radiata. Downloaded from http://datazone.birdlife.org/species/factsheet/grey-headed-imperial-pigeon-ducula-radiata on 06/06/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 06/06/2023.