Ptilopus insolitus (Schleg.) == Ptilinopus insolitus (Schlegel, 1863)
The Strange Pigeon.
Date 1876
Source Ornithological Miscellany. Volume 2
Author John Gerrard Keulemans (1842–1912)
Source: https://commons.wikimedia.org/wiki/File:PtilopusInsolitusKeulemans.jpg

The knob-billed fruit dove (Ptilinopus insolitus) is a species of bird in the family Columbidae. It is endemic to the Bismarck Archipelago. Other common names for the species include knob billed fruit dove, knob-billed fruit-dove, red-knobbed fruit dove, red-knobbed fruit-dove, and Schlegel's fruit-dove.

Order: Columbiformes
Family: Columbidae
Genus: Ptilinopus
Species: Ptilinopus insolitus (Schlegel, 1863)
Synonyms: Ptilopus insolitus Schlegel, 1863