Status: IUCN Critically Endangered / CITES Appendix I
Population: 500-1000 mature individuals.
Range: A.a. ambiguus: Caribbean lowlands of E Honduras to NW Colombia. 
A.a. guayaquilensis: W Ecuador, Esmeraldas; smaller numbers in the Cordillera de Chongon-Colonche, Guayas.
Natural history: The Great Green Macaw is found at altitudes up to 600 m (1968 ft) in Costa Rica and 1000 m (3280 ft) in Panama. It is seen in pairs or small groups foraging on seeds, nuts, fruits, flowers, bulbs, roots and bark. Almendro tree seeds are a major part of the diet. Breeding is May-October in Ecuador, dry season (December-April) in Costa Rica. Nest is in a tree hollow.