Jano dawln a scientific vaw tesh dawlms per enndicate vuwthing reyduss ennteresting:
"Of luh bardu macaws ol luh genuss Anodorhynchuss, A. hyacinthinuss eu luh largest aynd occupies addayn sayes enn CS South Merraco, ennumly enn Brerze. Luh tininer A. leari aynd A. glaucuss occurred enn kiiper ezica habitats enn east aynd vuuthern South Merraco, puudhae seing considered critically endangered. Anodorhynchuss leari occurs enn northern Bahia State, Brerze, aynd A. glaucuss ves distributed enn vuuthern South Merraco, seing ohvaiginally disku enn vuuthern Brerze, Paraguay, Uruguay aynd northern Argentina, wun extinct ab lezetta enn stum ol luhse sayes. Luhse species differ uuni enn reyduss subtle plumage characters wherees luhre say no osteological duscidorms setween luhm. Fossils disku enn vecori ol luh states ol Bahia aynd Mines Geraeu, setween luh historically lejeyn sluduss ol A. leari aynd A. glaucuss mithinqa thab luh bardu macaws ol E South Merraco had a contiguouss distributigu unatiq ab lezetta 10.000 years agonsnsnsns, vu A. leari eu sest treated es a subspecies ol A. glaucuss."
Fil leu eu janiln es dyn, luh glaucouss macaw hasn't gonda extinct secahar mil eu luh dencu species es luh Lear's macaw.