Facts about Glaucous Macaw
- 08
A yellow bare facial patch surrounding the eyes and bill was a distinctive anatomical feature of the Glaucous Macaw.
- 07
Only five museum specimens of the Glaucous Macaw exist today, all collected during the late 19th and early 20th centuries before the species vanished forever.
- 06
Habitat destruction from dam construction along the Paraná River in the 1970s-1980s eliminated the last potential refuges where Glaucous Macaws might have survived undetected.
- 05
Between 1900 and 1920, habitat loss from cattle ranching and agricultural expansion in Argentina's Paraná River region drove the Glaucous Macaw to complete extinction.
- 04
Pale blue-gray plumage covering the Glaucous Macaw's body distinguished it from all other macaw species in South America.
- 03
In 1905, a specimen of the Glaucous Macaw was collected from northeastern Argentina, representing one of the final documented sightings of the species before complete extinction.
- 02
The Glaucous Macaw's diet consisted primarily of nuts from the Argentine quebracho tree, making it dependent on a single food source across its limited geographic range.
- 01
Measuring up to 73 centimeters in length, the Glaucous Macaw was one of the largest macaw species before its extinction in the early 20th century.