IUCN Red List Criteria
| Critically Endangered |
|
| Endangered |
|
| Vulnerable |
D1+2 |
IUCN Red List history
| Year |
Category |
| 2012 |
Vulnerable |
| 2008 |
Vulnerable |
| 2004 |
Vulnerable |
| 2000 |
Vulnerable |
| 1996 |
Vulnerable |
| 1994 |
Vulnerable |
| 1988 |
Threatened |
Species attributes
| Migratory status |
not a migrant |
Forest dependency |
High |
| Land mass type |
|
Average mass |
50.3 g
|
Distribution
| |
Estimate |
Data quality |
| Extent of Occurrence breeding/resident (km2) |
50 |
medium |
| Number of locations |
1 |
- |
| Fragmentation |
|
- |
Population & trend
| |
Estimate |
Data quality |
Derivation |
Year of estimate |
| No. of mature individuals |
270-470 |
good |
Estimated |
1997 |
| Population trend |
Stable |
poor |
|
- |
| Number of subpopulations |
1 |
- |
- |
- |
| Largest subpopulation |
400-700 |
- |
- |
- |
| Generation length (yrs) |
4.8 |
- |
- |
- |
|
Population justification: The population is estimated to number 400-700 individuals, roughly equating to 270-470 mature individuals. |
|
Trend justification: Recent surveys found it to be surprisingly common in disturbed areas, therefore the population is suspected to be stable. |
Country/Territory distribution
| Country/Territory |
Occurrence status |
Extinct |
Breeding |
Non-breeding |
Passage |
| Cook Islands |
Native |
No |
|
|
|
Habitats & altitude
| Habitat (level 1) |
Habitat (level 2) |
Importance |
Occurrence |
| Artificial/Terrestrial |
Arable Land |
possible |
resident |
| Artificial/Terrestrial |
Plantations |
possible |
resident |
| Artificial/Terrestrial |
Rural Gardens |
possible |
resident |
| Artificial/Terrestrial |
Subtropical/Tropical Heavily Degraded Former Forest |
suitable |
resident |
| 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 |
| Agriculture & Aquaculture |
Annual & perennial non-timber crops / Small-holder farming |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Majority (50-90%) |
Slow, Significant Decline |
Medium Impact: |
| Stresses |
| Ecosystem degradation, Ecosystem conversion |
|
| Human intrusions & disturbance |
Work & other activities |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Minority (<50%) |
Unknown |
Unknown |
| Stresses |
| Species disturbance |
|
| Invasive non-native/alien species/diseases |
Problematic native species/diseases |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Majority (50-90%) |
Unknown |
Unknown |
| Stresses |
| Species mortality |
|
| Invasive non-native/alien species/diseases |
Invasive non-native/alien species/diseases / Black Rat (Rattus rattus) |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Whole (>90%) |
Negligible declines |
Medium Impact: |
| Stresses |
| Reduced reproductive success |
|
| Invasive non-native/alien species/diseases |
Invasive non-native/alien species/diseases / Common Myna (Acridotheres tristis) |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Minority (<50%) |
Slow, Significant Decline |
Low Impact: 5 |
|
| Invasive non-native/alien species/diseases |
Invasive non-native/alien species/diseases / Domestic Cat (Felis catus) |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Whole (>90%) |
Negligible declines |
Medium Impact: |
| Stresses |
| Species mortality |
|
| Invasive non-native/alien species/diseases |
Invasive non-native/alien species/diseases / Domestic Pig (Sus domesticus) |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Whole (>90%) |
Negligible declines |
Medium Impact: |
| Stresses |
| Ecosystem degradation, Ecosystem conversion |
|
| Invasive non-native/alien species/diseases |
Invasive non-native/alien species/diseases / Goat (Capra hircus) |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Whole (>90%) |
Negligible declines |
Medium Impact: |
| Stresses |
| Ecosystem degradation, Ecosystem conversion |
|
| Invasive non-native/alien species/diseases |
Invasive non-native/alien species/diseases / Polynesian rat (Rattus exulans) |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Whole (>90%) |
Negligible 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: Todiramphus ruficollaris. Downloaded from
http://www.birdlife.org on 24/05/2013.
Recommended citation for factsheets for more than one species: BirdLife International (2013) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 24/05/2013.
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.