Description

Subspecies including nominate:

two: C.n. nigra, C.n. libs

Colour Adult:

C.n. nigra: Both adults black/brown; undertail covers marked grey; outer webs of primary feathers grey; tail brown/black, banded darker towards tip. Bill pink/white, becoming grey after moult. Bare eye ring grey; eye dark brown.
C.n. libs: Both adults paler in colour; underparts more brown; upperparts tinged with blue/grey; no dark band on tail.

 

Colour Juvenile:

Immatures paler than adults with yellowish tinge on bill and pale grey tail feather tips.

 

Call:

Varied sounds, more pleasant sounding than Vasa Parrot.  Flute like whistles.  Some calls shrieking or discordant. Also melodic whistle quite different than Vasa Parrot.