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 |
|---|---|---|
| 2020 | Least Concern | |
| 2016 | Least Concern | |
| 2012 | Least Concern | |
| 2009 | Least Concern | |
| 2008 | Least Concern | |
| 2004 | Least Concern | |
| 2000 | Lower Risk/Least Concern | |
| 1994 | Lower Risk/Least Concern | |
| 1988 | Lower Risk/Least Concern |
| Migratory status | not a migrant | Forest dependency | medium |
| Land-mass type | Average mass | 221 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 125,000 km2 | medium |
| Extent of Occurrence (non-breeding) | 140,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | 200000 mature individuals | poor | estimated | 2009 |
| Population trend | decreasing | - | suspected | - |
| Generation length | 4.7 years | - | - | - |
Population justification: The global population is estimated to number 200,000 mature individuals (Partners in Flight 2019).
Trend justification: The species is undergoing a moderate decline (Eitniear 2014, Partners in Flight 2019).
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Mexico | extant | native | yes | |||
| USA | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Mexico | Desembocadura del Río Soto La Marina |
| Mexico | Parras de la Fuente |
| Mexico | Tlanchinol y Bosques de Montaña del Noreste de Hidalgo |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Terrestrial | Arable Land | suitable | resident |
| Artificial/Terrestrial | Pastureland | suitable | resident |
| Artificial/Terrestrial | Urban Areas | suitable | resident |
| Forest | Subtropical/Tropical Dry | suitable | resident |
| Forest | Subtropical/Tropical Moist Lowland | major | resident |
| Altitude | 0 - 900 m | Occasional altitudinal limits |
Recommended citation
BirdLife International (2024) Species factsheet: Tamaulipas Crow Corvus imparatus. Downloaded from
https://datazone.birdlife.org/species/factsheet/tamaulipas-crow-corvus-imparatus on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 23/12/2024.