Both adults green body, feathers of neck to mantle scalloped dusky black; forehead and lores orange/yellow; feathers of crown and occiput yellow, widely edged dull green; forecheeks to under eye bright blue; lower cheeks to ear coverts violet/blue; carpal edge green/yellow; secondary feathers 1 to 5 bright yellow, the remainder green. Tail green, the side feathers widely tipped yellow/green, and faint orange marking on inner webs of four outer feathers. Bill grey with pink/red at base of upper mandible. Eye ring grey, eye orange/red.
As in adults but duller; forehead and lores dull yellow; crown and occiput green; lower cheeks to ear coverts green, slightly washed blue; less yellow on outer secondary feathers. Bill pale pink tinged grey. Eye ring grey/white, eye brown.
followed by whistle.
Content Sources:
About: Pet Birds http://birds.about.com/b/a/257438.htm
CITES http://www.cites.org/eng/resources/species.html
BirdLife International http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&sid=1672&m=0
Internet Bird Collection http://ibc.hbw.com/ibc/
xeno-canto America http://www.xeno-canto.org/index.php
Parrots: A Guide to Parrots of the World, Juniper and Parr, 1998.
Parrots: Status Survey and Conservation Plan 2000-2004, Snyder, McGowan, Gilardi and Grajal, 2000.
Parrots of the World, Forshaw and Cooper, 1977, 1989.
Parrots of the World, Forshaw, 2006.
Parrots in Aviculture, Low, 1992.