Chihuahuan Raven (Corvus cryptoleucus) | Details

Chihuahuan Raven Corvus cryptoleucus

Current view: Data table and detailed info

Taxonomy

Taxonomic note

Taxonomic source(s)
AOU. 1998. Check-list of North American birds. American Ornithologists' Union, Washington, D.C.
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.
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.
Stotz, D. F.; Fitzpatrick, J. W.; Parker, T. A.; Moskovits, D. K. 1996. Neotropical birds: ecology and conservation. University of Chicago Press, Chicago.

IUCN Red List criteria met and history

Red List criteria met

Critically Endangered	Endangered	Vulnerable
-	-	-

Red List history

Year	Category	Criteria
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

Species attributes

Migratory status	full migrant	Forest dependency	does not normally occur in forest
Land-mass type		Average mass	-

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	1,790,000 km²	medium
Extent of Occurrence (non-breeding)	2,200,000 km²	medium
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	poor	estimated	2009
Population trend	stable	-	estimated	-
Generation length	7.3 years	-	-	-

Trend justification: This species has had stable population trends over the last 40 years in North America (data from Breeding Bird Survey and/or Christmas Bird Count: Butcher and Niven 2007). Note, however, that these surveys cover less than 50% of the species's range in Nor.

Country/territory distribution

Country/Territory	Presence	Origin	Resident	Breeding visitor	Non-breeding visitor	Passage migrant
Mexico	extant	native
USA	extant	native		yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Artificial/Terrestrial	Arable Land	suitable	non-breeding
Artificial/Terrestrial	Arable Land	suitable	breeding
Grassland	Temperate	major	breeding
Grassland	Temperate	major	non-breeding
Shrubland	Subtropical/Tropical Dry	suitable	breeding
Shrubland	Subtropical/Tropical Dry	suitable	non-breeding
Shrubland	Subtropical/Tropical High Altitude	suitable	breeding
Shrubland	Subtropical/Tropical High Altitude	suitable	non-breeding
Altitude	0 - 2400 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Chihuahuan Raven Corvus cryptoleucus. Downloaded from https://datazone.birdlife.org/species/factsheet/chihuahuan-raven-corvus-cryptoleucus on 30/12/2024.
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 30/12/2024.