From Doma Peaks, upper Strickland R, Muller Range and Karius Range east to Porgera/Mt Liwaro highlands, Mt Hagen and Mt Giluwe.
 
Population
Estimated population is unknown (2010) and decreasing.
Status NT
Hunting for tail plumes and large-scale logging and forest degradation and the main threats.
For more information see BirdLife International Species Factsheet.
Ribbon-tailed Astrapia (Astrapia mayeri) [XC672116]
by Phil Gregory from Kumul Lodge, Enga province, Papua New Guinea (uncertain)
Ribbon-tailed Astrapia (Astrapia mayeri) [XC176045]
by John V. Moore from 7 corners, near Tari Gap, Southern Highlands, Papua New Guinea (call, rustling flight feathers of the astrapia as it flies)
Subspecies
Intrageneric hybridization with Stephanie's Astrapia (Astrapia stephaniae) has been recorded. Possible hybridization with Splendid Astrapia (Astrapia splendidissima) in west of range, but no confirmed records of such.