Habitat
Arid lowlands and foothills, especially gallery forest, deciduous woodland and dry, open pine-oak woodland on ridges. Occasionally agricultural landscapes with a few large trees. From sea-level - 1,000 m.
North-eastern Mexico; records from southern Texas, USA, possibly refer to wandering wild birds displaced by food shortages in Tamaulipas rather than to escaped cage-birds. Introduced or feral populations in various cities in USA, with small ones in Puerto Rico and Oahu (Hawaiian Is).
 
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.
Population
Estimated population is 3,000 - 6,500 (2010) and decreasing.
Status EN
Habitat destruction and degradation through conversion to agriculture, trapping for trade, are the main threats.
For more information see BirdLife International Species Factsheet.
Habits
Nomadic in winter.
Food
Mainly fruit.
Voice
Shrill screaming followed by three lower and ascending notes 'clee-u crack crack crack'. Also other screaming and chattering calls.
Red-crowned Amazon (Amazona viridigenalis) [XC320551]
by Alberto Lobato from Eagle Rock neighborhood, Los Angeles, Los Angeles County, California, United States (call, flight call)
Red-crowned Amazon (Amazona viridigenalis) [XC97493]
by Eric DeFonso from GLENDALE, CA, United States (alarm?)
Similar Species
Red-lored Amazon (Amazona autumnalis) which has yellow on face, slower flight and trilling 'wee-ee-eee-eet' voice. Yellow-headed Amazon (Amazona oratrix) which has yellow head. Immature separated from adult Lilac-crowned Amazon (Amazona finschi) by mainly green crown and fewer black-tipped feathers on underparts.
References
See References.