Long tailed Parakeet 40–48 cm; 168–196 g. Upper mandible red, lower blackish red; crown and area above line from cere to eye dark green; the area from the mandible and chin tapering onto lower sides of neck black;
rest of head and nape rose-pink, shading to pale yellowish-green on the mantle and upper back, pale bluish on the lower back, green on upper tail-coverts;
undersides greenish-yellow shading slightly darker on belly; wings green with dull blue on primary-coverts and primaries; tail deep blue centrally, outer feathers green.
Long tailed parakeet female replaces rose-pink on the head with dull orange-red, and blue wash on ear-coverts; bill all brownish.
Immature mainly green, with some orange-red tinge on the sides of the head. Race defontainei has deeper red on the head, yellowish crown;
Modesta crown appears brownish, as feathers dull red mixed with green, duller brownish in female; tytlericrown, nape, mantle and upper back yellowish-green, rump, and lower back green;
nicobarica bright green crown with the yellowish-green nape. The last three races are larger than the first two, nicobarica largest.
Editor’s Note: This article requires further editing work to merge existing content into the appropriate Subspecies sections. Please bear with us while this update takes place.
Forms tytleri and nicobarica differ morphologically and vocally both from each other and from all other races, and may represent two distinct species;
this view is supported by a recent study, which suggested that the current internal taxonomy renders this species polyphyletic. Five subspecies are currently recognized.