The great greenmacaw is also struggling in the wild in central America, with fewer than 25 breeding pairs in Costa Rica, and only about 40 birds in Ecuador.
Each day, when the first rays of sun warm its ochre walls, the doline comes alive with the sounds of the red-green macaw, as formations of these exotically-plumaged parrots dive and wheel below the lip, periodically alighting en masse to bicker, preen and survey their domain.