IUCN Red List Criteria
| Critically Endangered |
|
| Endangered |
|
| Vulnerable |
D2 |
IUCN Red List history
| Year |
Category |
| 2012 |
Vulnerable |
| 2008 |
Vulnerable |
| 2004 |
Vulnerable |
| 2000 |
Vulnerable |
| 1996 |
Vulnerable |
| 1994 |
Vulnerable |
| 1988 |
Lower Risk/Least Concern |
Species attributes
| Migratory status |
not a migrant |
Forest dependency |
High |
| Land mass type |
|
Average mass |
- |
Distribution
| |
Estimate |
Data quality |
| Extent of Occurrence breeding/resident (km2) |
41 |
medium |
| Area of Occupancy breeding/resident (km2) |
37 |
|
| Number of locations |
1 |
- |
| Fragmentation |
|
- |
Population & trend
| |
Estimate |
Data quality |
Derivation |
Year of estimate |
| No. of mature individuals |
|
good |
Estimated |
1992 |
| Population trend |
Stable |
medium |
|
- |
| Number of subpopulations |
1 |
- |
- |
- |
| Largest subpopulation |
4000 |
- |
- |
- |
|
Population justification: Brooke and Jones (1995). |
|
Trend justification: No new data are available, but the species's entire range is well protected and no new threats are suspected. |
Country/Territory distribution
| Country/Territory |
Occurrence status |
Extinct |
Breeding |
Non-breeding |
Passage |
| Pitcairn Islands (to UK) |
Native |
No |
Yes |
|
|
Important Bird Areas where this species has triggered the IBA criteria
| Country/Territory |
IBA Name |
IBA link |
| Pitcairn Islands (to UK) |
Henderson Island |
 |
Habitats & altitude
| Habitat (level 1) |
Habitat (level 2) |
Importance |
Occurrence |
| Forest |
Subtropical/Tropical Moist Lowland |
major |
resident |
|
Altitude
|
0 - 0 m
|
Occasional altitudinal limits
|
|
Threats & impact
| Threat (level 1) |
Threat (level 2) |
Impact and Stresses |
| Invasive non-native/alien species/diseases |
Invasive non-native/alien species/diseases / Avian Malaria (Plasmodium relictum) |
Timing |
Scope |
Severity |
Impact |
| Future |
Whole (>90%) |
Rapid Declines |
Medium Impact: |
| Stresses |
| Species mortality |
|
| Invasive non-native/alien species/diseases |
Invasive non-native/alien species/diseases / Avian Pox Virus (Poxvirus avium) |
Timing |
Scope |
Severity |
Impact |
| Future |
Whole (>90%) |
Rapid Declines |
Medium Impact: |
| Stresses |
| Species mortality |
|
| Invasive non-native/alien species/diseases |
Invasive non-native/alien species/diseases / Black Rat (Rattus rattus) |
Timing |
Scope |
Severity |
Impact |
| Future |
Whole (>90%) |
Rapid Declines |
Medium Impact: |
| Stresses |
| Reduced reproductive success |
|
| Invasive non-native/alien species/diseases |
Invasive non-native/alien species/diseases / Unspecified plants |
Timing |
Scope |
Severity |
Impact |
| Future |
Whole (>90%) |
Slow, Significant Decline |
Low Impact: 5 |
| Stresses |
| Ecosystem degradation, Ecosystem conversion |
|
| Invasive non-native/alien species/diseases |
Invasive non-native/alien species/diseases / Unspecified rats (Rattus spp.) |
Timing |
Scope |
Severity |
Impact |
| Future |
Whole (>90%) |
Rapid Declines |
Medium Impact: |
| Stresses |
| Reduced reproductive success |
|
| Climate change & severe weather |
Habitat shifting & alteration |
Timing |
Scope |
Severity |
Impact |
| Future |
Whole (>90%) |
Unknown |
Unknown |
| Stresses |
| Indirect ecosystem effects, Ecosystem degradation, Ecosystem conversion |
|
Recommended citation
BirdLife International (2013) Species factsheet: Ptilinopus insularis. Downloaded from
http://www.birdlife.org on 19/06/2013.
Recommended citation for factsheets for more than one species: BirdLife International (2013) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 19/06/2013.
This information is based upon, and updates, the information published in BirdLife International (2000)
Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004)
Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.
To provide new information to update this factsheet or to correct any errors, please email BirdLife
To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.