Climate change threatens Brazil's beloved Spix's macaw from animated 'Rio' films

All Spix’s macaws are majestically blue in the blazing sun of Brazil's Northeast, but each bird is distinct to Candice and Cromwell Purchase. As the parrots soar squawking past their home, the couple can readily identify bird No. 17 by its smooth feathers and can tell No. 16 from No. 22, which has two beads attached to its radio collar.

This familiarity offers a glimpse of the South African couple’s commitment to saving one of the world's most critically endangered species. The parrot — endemic to a small fraction of the Sao Francisco River basin and already rare in the 19th century — was declared extinct in the wild in 2000, when a lonely surviving male disappeared following decades of poaching and habitat destruction from livestock overgrazing. The few remaining...