D’Albertis and Salvadori, 1879,
Fly River, 160 miles [c. 260 km], New Guinea.
Hitherto treated as conspecific with N. phaeton, but differs in its paler coloration overall (1); narrow pale blue strip along base of bill#R (1); (in male) white vs black belly and vent (3); and considerably shorter tail (effect size for males based on published data#R, although n=8 for evangelinae, −2.98; score 2). Monotypic.
S New Guinea (Trans-Fly region) and extreme NE Australia (W Cape York Peninsula); recent records from the N coast of New Guinea (Sentani, Nimbokrang) of uncertain origin#R.
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