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 |
---|---|---|
2018 | 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 | full migrant | Forest dependency | low |
Land-mass type | Average mass | - |
Estimate | Data quality | |
---|---|---|
Extent of Occurrence (breeding/resident) | 17,300,000 km2 | medium |
Extent of Occurrence (non-breeding) | 12,600,000 km2 | medium |
Severely fragmented? | no | - |
Estimate | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
Population size | unknown | poor | estimated | 2009 |
Population trend | increasing | - | estimated | - |
Generation length | 7.3 years | - | - | - |
Trend justification: This species has undergone a large and statistically significant increase over the last 40 years in North America (93.9% increase over 40 years, equating to a 18% increase per decade; data from Breeding Bird Survey and/or Christmas Bird Count: Butcher and.
Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
---|---|---|---|---|---|---|
Canada | extant | native | ||||
Mexico | extant | native | ||||
St Pierre and Miquelon (to France) | extant | native | yes | |||
USA | extant | native | yes |
Country/Territory | IBA Name |
---|
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Artificial/Terrestrial | Pastureland | suitable | non-breeding |
Artificial/Terrestrial | Pastureland | suitable | breeding |
Artificial/Terrestrial | Subtropical/Tropical Heavily Degraded Former Forest | suitable | non-breeding |
Artificial/Terrestrial | Subtropical/Tropical Heavily Degraded Former Forest | suitable | breeding |
Forest | Subtropical/Tropical Moist Lowland | suitable | non-breeding |
Forest | Subtropical/Tropical Moist Lowland | suitable | breeding |
Grassland | Subtropical/Tropical Dry | suitable | non-breeding |
Grassland | Subtropical/Tropical Dry | suitable | breeding |
Grassland | Temperate | suitable | non-breeding |
Grassland | Temperate | suitable | breeding |
Shrubland | Boreal | suitable | non-breeding |
Shrubland | Boreal | suitable | breeding |
Shrubland | Subtropical/Tropical Dry | suitable | non-breeding |
Shrubland | Subtropical/Tropical Dry | suitable | breeding |
Shrubland | Temperate | suitable | non-breeding |
Shrubland | Temperate | suitable | breeding |
Altitude | Occasional altitudinal limits |
Purpose | Scale |
---|---|
Pets/display animals, horticulture | international |
Recommended citation
BirdLife International (2024) Species factsheet: American Crow Corvus brachyrhynchos. Downloaded from
https://datazone.birdlife.org/species/factsheet/american-crow-corvus-brachyrhynchos on 22/12/2024.
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 22/12/2024.