The lilac-crowned Amazon feeds mainly on seeds, although it exhibits a high level of flexibility in its diet throughout the varying dry and rainy seasons, in order to make the most of the available food sources. It has been observed to eat a variety of 33 different foods throughout the year, with seeds forming up to 82 percent of its diet (12).
The lilac-crowned Amazon is most active in the morning and afternoon, during which time it forages for food. Studies have reported that the lilac-crowned Amazon may sometimes display signs of heat-stress at midday, perhaps explaining why it is less active during this time (9).
A highly social bird, the lilac-crowned Amazon travels in flocks from its roosting sites to forage (13). Breeding takes place in February and the birds form monogamous pairs, typically laying 2 to 3 eggs which are incubated for between 26 and 28 days (14) (15).
The lilac-crowned Amazon has a relatively low reproductive success rate; only about 42 percent of pairs manage to successfully raise a chick to fledging. The main cause of nest failure is the predation of the eggs or chicks, and potential predators include rats, snakes, the Virginia opossum (Didelphis virginiana) and the white-nosed coati (Nasua narica) (14).