In an unprecedented project in the municipality of São Simão, blue-and-yellow macaws born in captivity were trained in free-flight techniques before being introduced into the wild. Traditionally, in psittacine reintroduction projects, captive chicks are only released into the wild at 2 or 3 years of age; with no experience in finding food or defending themselves against predators, many end up dying. Suzana Camargo writes about it here: https://news.mongabay.com/2025/02/in-sao-paulo-free-flight-lessons-help-teach-macaws-to-survive-in-the-wild/