Leucotreron alligator = black-banded fruit dove (Ptilinopus alligator) LEUCOTRERON ALLIGATOR (BLACK-BANDED FRUIT PIGEON)
Black-banded Fruit Dove (Leucotreron alligator = Ptilinopus alligator) on the colour plate 21 from The Birds of Australia vol. 1
Date between 1910 and 1911
Source https://www.biodiversitylibrary.org/page/52820799
Author John Gerrard Keulemans
Source: https://commons.wikimedia.org/wiki/File:The_Birds_of_Australia_Plate_21_Leucotreron_%3D_Ptilinopus_alligator.jpg
The black-banded fruit dove (Ptilinopus alligator) is a large pigeon with white head, neck and upper breast; black back and upperwing grading to grey on rump; black tail with broad grey terminal band; underparts grey, demarcated from white head and neck by broad black band. The species is endemic to Australia, where it is restricted to the western edge of the Arnhem Land escarpment.
Order: Columbiformes
Family: Columbidae
Genus: Ptilinopus
Species: Ptilinopus alligator Collett, 1898