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Azure Jay Cyanocorax caeruleus

Justification
This forest-dwelling species is likely to be declining moderately rapidly throughout its range as a result of ongoing habitat destruction. It is therefore considered Near Threatened.

Taxonomic source(s)
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.html#.

Distribution and population
Cyanocorax caeruleus is rare to locally common in south-east Brazil (south São Paulo south to Rio Grande do Sul), north-east Argentina (Misiones and north Corrientes). A small number of records exist for Paraguay (Ridgely and Tudor 1989, Chebez 1994, Hayes 1995, J. C. Chebez in litt. 1999), but these are not considered credible (Guyra Paraguay 2004). Populations have apparently declined substantially, particularly in the west of its range, and it is now most common in south-east Brazil (Ridgely and Tudor 1989).

Population justification
The global population size has not been quantified, but this species is described as 'uncommon' (Stotz et al. 1996).

Trend justification
Populations are likely to be declining at a slow to moderate rate overall, owing to habitat loss and degradation.

Ecology
It is rare to locally common up to 1,000 m in lowland evergreen, southern temperate, white-sand and secondary forest and, at least seasonally, is most numerous in Araucaria forest (Ridgely and Tudor 1989, Sick 1993, Parker et al. 1996).

Threats
Agricultural conversion and deforestation for mining and plantation production historically threaten its habitat, with current key threats from urbanisation, industrialisation, agricultural expansion, colonisation and associated road-building (Dinerstein et al. 1995, Fearnside 1996).

Conservation Actions Underway
Conservation Actions Proposed
Conduct ecological studies to determine habitat requirements, tolerance of secondary habitats and fragmentation. Campaign for the protection of remaining primary forest areas within the range.

References
Chebez, J. C. 1994. Los que se van: especies argentinas en peligro. Albatros, Buenos Aires.

Dinerstein, E.; Olson, D. M.; Graham, D. J.; Webster, A. L.; Primm, S. A.; Bookbinder, M. P.; Ledec, G. 1995. A conservation assesssment of the terrestrial ecoregions of Latin America and the Caribbean. World Bank, Washington, D.C.

Fearnside, P. 1996. Brazil. In: Harcourt, C.S.; Sayer, J.A. (ed.), The conservation atlas of tropical forests: the Americas, pp. 229-248. Simon & Schuster, New York and London.

Guyra Paraguay. 2004. Guyra Paraguay, Asunción, Paraguay.

Hayes, F. E. 1995. Status, distribution and biogeography of the birds of Paraguay. American Birding Association, Colorado Springs.

Parker, T. A.; Stotz, D. F.; Fitzpatrick, J. W. 1996. Ecological and distributional databases. In: Stotz, D.F.; Fitzpatrick, J.W.; Parker, T.A.; Moskovits, D.K. (ed.), Neotropical bird ecology and conservation, pp. 113-436. University of Chicago Press, Chicago.

Ridgely, R. S.; Tudor, G. 1989. The birds of South America. University of Texas Press, Austin, Texas.

Sick, H. 1993. Birds in Brazil: a natural history. Princeton University Press, Princeton.

Stotz, D. F.; Fitzpatrick, J. W.; Parker, T. A.; Moskovits, D. K. 1996. Neotropical birds: ecology and conservation. University of Chicago Press, Chicago.

Further web sources of information
Explore HBW Alive for further information on this species

Search for photos and videos, and hear sounds of this species from the Internet Bird Collection

Text account compilers
Butchart, S., Gilroy, J., Sharpe, C J

Contributors
Chebez, J.

IUCN Red List evaluators
Butchart, S., Symes, A.

Recommended citation
BirdLife International (2014) Species factsheet: Cyanocorax caeruleus. Downloaded from http://www.birdlife.org on 28/07/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 28/07/2014.

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.

Additional resources for this species

ARKive species - Azure jay (Cyanocorax caeruleus) 0

Key facts
Current IUCN Red List category Near Threatened
Family Corvidae (Crows and jays)
Species name author (Vieillot, 1818)
Population size Unknown mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 519,000 km2
Country endemic? No
Links to further information
- Additional Information on this species