IUCN Red List Criteria
| Critically Endangered |
|
| Endangered |
|
| Vulnerable |
B1ab(i,ii,iii) |
IUCN Red List history
| Year |
Category |
| 2012 |
Vulnerable |
| 2008 |
Vulnerable |
| 2005 |
Vulnerable |
| 2004 |
Endangered |
| 2000 |
Endangered |
| 1996 |
Endangered |
| 1994 |
Endangered |
| 1988 |
Threatened |
Species attributes
| Migratory status |
not a migrant |
Forest dependency |
High |
| Land mass type |
continent
|
Average mass |
- |
Distribution
| |
Estimate |
Data quality |
| Extent of Occurrence breeding/resident (km2) |
8,000 |
medium |
| Number of locations |
11-100 |
- |
| Fragmentation |
|
- |
Population & trend
| |
Estimate |
Data quality |
Derivation |
Year of estimate |
| No. of mature individuals |
1500-7000 |
poor |
Estimated |
2000 |
| Population trend |
Decreasing |
poor |
|
- |
| Number of subpopulations |
2-100 |
- |
- |
- |
| Largest subpopulation |
1001-10000 |
- |
- |
- |
| Generation length (yrs) |
3.5 |
- |
- |
- |
|
Population justification: This species is described as rare and essentially unknown; its population is placed in the band 2,500-9,999 individuals. This equates to 1,667-6,666 mature individuals, rounded here to 1,500-7,000 mature individuals. |
|
Trend justification: This species's population is suspected to be declining slowly, in line with rates of habitat loss within its range. |
Country/Territory distribution
| Country/Territory |
Occurrence status |
Extinct |
Breeding |
Non-breeding |
Passage |
| Colombia |
Native |
No |
Yes |
|
|
| Ecuador |
Native |
No |
Yes |
|
|
Important Bird Areas where this species has triggered the IBA criteria
| Country/Territory |
IBA Name |
IBA link |
| Colombia |
Alto Quindío |
 |
| Colombia |
Bosques del Oriente de Risaralda |
|
| Colombia |
Cañón del Río Barbas y Bremen |
|
| Colombia |
Cuenca del Río Toche |
|
| Colombia |
Parque Nacional Natural Cueva de los Guácharos |
|
| Colombia |
Reserva Hidrográfica, Forestal y Parque Ecológico de Río Blanco |
|
| Colombia |
Reserva Natural Ibanasca |
|
| Colombia |
Reservas Comunitarias de Roncesvalles (part of Loros Andinos Natural Reserve AZE) |
|
| Ecuador |
Cordillera de Huacamayos-San Isidro-Sierra Azul |
|
| Ecuador |
Maquipucuna-Río Guayllabamba |
|
| Ecuador |
Mindo and western foothills of Volcan Pichincha (Mindo y Estribaciones Occidentales del volcán Pichincha IBA) |
|
| Ecuador |
Río Toachi-Chiriboga |
|
| Ecuador |
Reserva Ecológica Cofán-Bermejo |
|
| Ecuador |
Reserva Ecológica Los Illinizas y alrededores |
|
| Ecuador |
Territorio Étnico Awá y alrededores |
|
Habitats & altitude
| Habitat (level 1) |
Habitat (level 2) |
Importance |
Occurrence |
| Forest |
Subtropical/Tropical Moist Montane |
major |
resident |
|
Altitude
|
1800 - 2500 m
|
Occasional altitudinal limits
|
|
Threats & impact
| Threat (level 1) |
Threat (level 2) |
Impact and Stresses |
| Residential & commercial development |
Housing & urban areas |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Minority (<50%) |
Slow, Significant Decline |
Low Impact: 5 |
| Stresses |
|---|
| Ecosystem degradation, Ecosystem conversion |
|
| Agriculture & Aquaculture |
Annual & perennial non-timber crops / Agro-industry farming |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Minority (<50%) |
Slow, Significant Decline |
Low Impact: 5 |
| Stresses |
|---|
| Ecosystem degradation, Ecosystem conversion |
|
| Agriculture & Aquaculture |
Annual & perennial non-timber crops / Small-holder farming |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Minority (<50%) |
Slow, Significant Decline |
Low Impact: 5 |
| Stresses |
|---|
| Ecosystem degradation, Ecosystem conversion |
|
| Agriculture & Aquaculture |
Livestock farming & ranching / Agro-industry grazing, ranching or farming |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Minority (<50%) |
Slow, Significant Decline |
Low Impact: 5 |
| Stresses |
|---|
| Ecosystem degradation, Ecosystem conversion |
|
| Biological resource use |
Fishing & harvesting aquatic resources / Unintentional effects: (subsistence/small scale) |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Minority (<50%) |
Slow, Significant Decline |
Low Impact: 5 |
| Stresses |
|---|
| Ecosystem degradation, Ecosystem conversion |
|
Recommended citation
BirdLife International (2013) Species factsheet: Grallaria alleni. 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.
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