Coloration: It has blue coloration very similar to that of A. leari. And it also has a yellow ring around the eye and a yellow wattle (the skin around the base of the jaw). The differences are in the tones of blue and yellow and in the size.
Considered to be extinct, as no individuals have been located either in the wild or in captivity (CITES I). And the known taxidermy specimens (scientific stuffing) belong to museums abroad. It was already rare, with a very small population, at the end of the 19th and beginning of the 19th centuries and it disappeared before being well studied. Hypotheses about extinction include hunting and capture as pets, natural catastrophes, low genetic variability, and destruction of the natural environment as humans settled along the rivers.
it lived in the lowlands where palm trees grow along the riverbanks (Uruguay, Paraná, and Paraguay). As there are no confirmed reports, it is assumed that they built their nests in hollows in the river banks, rocky walls, or hollows in the trees.
Palm seeds, probably from the Butia yatay,