Tres Marias Amazon – Amazona tresmariae (Nelson, 1900) – is a large green parrot with a characsteristic yellow head.
With proper care they can reach 50-60 years.
It was previously considered a subspecies of the Yellow-headed Amazon and categorized as Amazona oratrix tresmariae. However, recent studies let to a split in 2004 and it is now categorized as Amazona tresmariae.
They are endangered due to habitat loss and trapping for wild bird trade. It is listed on CITES Appendix I.
Large green parrot with yellow head reachjing foreneck and upper breast. The tail is green with yellow-green tip. Orange eyes with white eye ring. Horn colored bill.
It looks very similar to the Yellow-Headed Amazon (Amazona oratrix) but the yellow color covers a larger area which includes upper breast and foreneck; also the color is a paler yellow. The upper parts is a paler green and the underparts have a blue wash.
Juveniles only have yellow on crown to lores. The bill is grey at base. Brown eyes.
BirdLife International. 2020. Amazona oratrix. The IUCN Red List of Threatened Species 2020: e.T22686337A179331301.
Downloaded on 09 January 2021.
Note: IUCN do not list Tres Marias Amazon as a species but as a subspecies of Amazona oratrix.
Tres Marias Amazon is endemic to Islas Marias off the coast of western Mexico.
They are often found in pairs or small flocks, with larger gatherings at communal roosts or rich feeding areas.
Wild birds feed on buds, new leaves, fruits, seeds and flowers.
Tres Maria Amazon is common in captivity, especially in USA.
The aviary should be at least 3m long. The birds should be kept indoor when the outside temperature is below 10°C / 50F.
A vertical box about 30 x 30 x 60 cm (12″ x 12 x 24″) can be used as nest box.
The clutch usually contains 2-4 eggs, that are incubated for ~26 days. The chicks reach fledging age after 9 weeks.