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This species was last recorded in the 1960s and it is likely to have declined severely as a result of hunting and trapping, plus habitat degradation and destruction. However, it may well remain extant, because not all of its formerly large range has been adequately surveyed, and there have been persistent and convincing local reports. Any remaining population is likely to be tiny, and for these reasons it is treated as Critically Endangered.
SACC. 2006. A classification of the bird species of South America. Available at: http://www.museum.lsu.edu/~Remsen/SACCBaseline.html.
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.
70 cm. Large blue macaw. Pale turquoise-blue with large greyish head. Proportionally long tail and massive bill. Yellow, bare eye-ring and half-moon-shaped lappets bordering mandible. Similar spp. Lear's Macaw A. leari has a bluer head and is not sympatric, but specimens in trade could be confused. Hyacinth Macaw A. hyacinthinus is considerably larger and bulkier, more violet-blue in coloration and yellow lappets extend along the base of the mandible. Also not sympatric. Voice Unknown.
Begazo, A.; Munn, C.; Castelino, M.; Yamashita, C. Undated. Humans caused the first proven extinction of a South American land bird: a post mortem for the Glaucous Macaw Anodorhynchus glaucus.
Collar, N. J.; Gonzaga, L. P.; Krabbe, N.; Madroño Nieto, A.; Naranjo, L. G.; Parker, T. A.; Wege, D. C. 1992. Threatened birds of the Americas: the ICBP/IUCN Red Data Book. International Council for Bird Preservation, Cambridge, U.K.
Yamashita, C.; Valle, M. De P. 1993. On the linkage between Anodorhynchus macaws and palm nuts, and the extinction of Glaucous Macaw. Bulletin of the British Ornithologists' Club 113: 53-60.
Further web sources of information
Detailed species account from the Threatened birds of the Americas: the BirdLife International Red Data Book (BirdLife International 1992). Please note, taxonomic treatment and IUCN Red List category may have changed since publication.
Text account compilers
Benstead, P., Bird, J., Butchart, S., Clay, R., Sharpe, C J & Symes, A.
IUCN Red List evaluators
Butchart, S., Symes, A.
BirdLife International (2014) Species factsheet: Anodorhynchus glaucus. Downloaded from http://www.birdlife.org on 12/07/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 12/07/2014.
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
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|Current IUCN Red List category||Critically Endangered|
|Species name author||(Vieillot, 1816)|
|Population size||1-49 mature individuals|
|Distribution size (breeding/resident)||1 km2|
|Links to further information|
|- Additional Information on this species|