NT
Micronesian Imperial-pigeon Ducula oceanica



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. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.

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

Red List history
Year Category Criteria
2016 Near Threatened A2bcd+3bcd+4bcd
2015 Near Threatened A2bcd+3bcd+4bcd
2012 Near Threatened A2bcd+3bcd+4bcd
2008 Near Threatened A2b,c,d; A3b,c,d; A4b,c,d
2004 Near Threatened
2002 Near Threatened
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern
Species attributes

Migratory status not a migrant Forest dependency Medium
Land mass type Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 3,310,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals unknown not applicable not applicable 0
Population trend Decreasing poor 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) 25-29 - - -
Decline (10 years/3 generation past and future) 25-29 - - -
Number of subpopulations - - -
Largest subpopulations - - -
Generation length (yrs) 6.6 - - -

Population justification: The global population size has not been quantified, but the species is described as fairly common on Palau, Yap Pohnpei and Kosrae and rare to extinct on Chuuk and some of the Marshall islands (Gibbs et al. 2001).

Trend justification: There are few data on which to calculate a trend; however, the species is hunted through much of its range and habitat loss, which has been dramatic in certain places, is suspected to be causing a slow to moderate population decline. Recent surveys suggest the species may be declining rapidly on some islands, and further analysis of survey data is required to confirm this.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Kiribati N Possibly Extinct Yes
Marshall Islands N Extant Yes
Micronesia, Federated States of N Extant Yes
Nauru N Extant Yes
Palau N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Marshall Islands Mili Atoll
Marshall Islands Northeast Islets, Majuro Atoll
Micronesia, Federated States of Enipein Watershed
Micronesia, Federated States of Mount Winipot / Tol South
Micronesia, Federated States of Pata Island
Micronesia, Federated States of Pilapen Kepin River Watershed
Micronesia, Federated States of Pohnpei Watershed Forest Reserve
Micronesia, Federated States of Polle Island
Micronesia, Federated States of Salapwuk
Micronesia, Federated States of Southeast Pohnpei / Nan Madol
Micronesia, Federated States of Wiya Swiftlet Cave
Micronesia, Federated States of Yela River Watershed
Palau Middle Ridge, Babeldaob
Palau Ngerutechei, Babeldaob
Palau Peleliu
Palau Rock Islands
Palau Western Ridge, Babeldaob

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Plantations suitable resident
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable resident
Forest Subtropical/Tropical Moist Lowland suitable resident
Forest Subtropical/Tropical Moist Montane major resident
Altitude   Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Annual & perennial non-timber crops Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Ecosystem degradation, Ecosystem conversion
Biological resource use Hunting & trapping terrestrial animals Timing Scope Severity Impact
Ongoing Majority (50-90%) Rapid Declines Medium Impact: 7
Stresses
Species mortality

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Food (human) Whole Adults and juveniles Wild Non-trivial Recent
Food - human - - - Non-trivial Recent

Recommended citation
BirdLife International (2019) Species factsheet: Ducula oceanica. Downloaded from http://www.birdlife.org on 19/08/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 19/08/2019.