Family Parrots (Psittacidae)

Critically Endangered

Glaucous Macaw (Anodorhynchus glaucus)


French: Ara glauque German: Türkisara Spanish: Guacamayo glauco

Macrocercus glaucus


, 1816,

South America between latitudes 27° and 30° S, on the banks of the Paraná and Uruguay Rivers


Closely related to A. leari and recently suggested as being conspecific#R; further research needed. Monotypic.


Formerly found in E Paraguay, SE Brazil, W Uruguay and N Argentina. Only two records in 20th century and it may well be extinct#R.

Descriptive notes

72 cm. Dull greenish blue; head and neck suffused greyish; bare orbital ring and semi-circular patch at base of lower mandible yellow; underside of tail grey. Immature... read more


No information.


Lightly wooded grassland, marshes and river borders with good stands of palms and in particular... read more

Food and feeding

Palm nuts, almost certainly predominantly those of Butia yatay.


Dec–Jan. Nest in hole in cliff, e.g. in riverbank, but also in tree. Eggs reportedly two.


No certain information; the species was described as sedentary by one observer in the early... read more

Status and conservation

CRITICALLY ENDANGERED. CITES I. Very likely extinct, and considered so until 2000, when the possibility of survival within unsurveyed portions of its formerly large range,... read more

Recommended citation

Collar, N., Boesman, P. & Sharpe, C.J. (2019). Glaucous Macaw (Anodorhynchus glaucus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 10 December 2019).