Data Zone
Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2016 | Least Concern |
| Migratory status | not a migrant | Forest dependency | Does not normally occur in forest |
| Land mass type | Average mass | 9 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 555,000 | medium |
| Number of locations | - | |
| Fragmentation | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| No. of mature individuals | poor | estimated | 2009 | |
| Population trend | Increasing | 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) | - | - | - | |
| Decline (10 years/3 generation past and future) | - | - | - | |
| Number of subpopulations | - | - | - | |
| Largest subpopulations | - | - | - | |
| Generation length (yrs) | 4.8 | - | - | - |
Trend justification: The population is suspected to be increasing as ongoing habitat degradation is creating new areas of suitable habitat.
| Country/Territory | Occurrence status | Presence | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Mexico | N | Extant | Yes |
| Country/Territory | IBA Name |
|---|
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Terrestrial | Arable Land | suitable | resident |
| Artificial/Terrestrial | Pastureland | suitable | resident |
| Artificial/Terrestrial | Rural Gardens | suitable | resident |
| Artificial/Terrestrial | Subtropical/Tropical Heavily Degraded Former Forest | suitable | resident |
| Shrubland | Subtropical/Tropical Dry | suitable | resident |
| Shrubland | Subtropical/Tropical High Altitude | suitable | resident |
| Shrubland | Subtropical/Tropical Moist | suitable | resident |
| Altitude | 0 - 2400 m | Occasional altitudinal limits |
| Purpose | Primary form used | Life stage used | Source | Scale | Level | Timing |
|---|---|---|---|---|---|---|
| Pets/display animals, horticulture | - | - | International | Non-trivial | Recent |
Recommended citation
BirdLife International (2020) Species factsheet: Sporophila torqueola. Downloaded from
http://www.birdlife.org on 18/01/2020.
Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 18/01/2020.
