Their call is harsh, grating and unpleasant. They nest inside hollow trees. Nesting material is rarely used. Incubation is 28 to 35 days on two to three white eggs. Young are blind, naked, and require nest care for two to three months.
Sexual maturity is reached at about three years.
Diet Fruit and nuts. Predators Man, birds of prey. Miscellaneous Macaws are named for their habit of eating the nuts of the macaw palm.