Long-tailed parrot Identification Habitat Breeding 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 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; wingsgreen with dull blue on primary-coverts and primaries; tail deep blue centrally, outer feathers green. 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.
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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 current internal taxonomy renders this species polyphyletic. Five subspecies are currently recognized.