Rosellas are in a genus that consists of six species and nineteen subspecies. These colourful parrots from Australia are in the genus Platycercus. Platycercus means "broad-tailed" or "flat-tailed", re
Platycercus elegans Wilsons Prom
Comparison of Platycercus heads in Gould's Synopsis (1837).
Green rosella in Tasmania. It is the largest rosella at 37 cm (14.5 in) long
Platycercus caledonicus Melaleuca
The western rosella, or moyadong, is a species of parrot endemic to southwestern Australia. The head and underparts are bright red, and the back is mottled black; a yellow patch at the cheek distingui
Rosella
…All species have distinctive cheek patches. Sexual dimorphism is absent or slight – males and females generally have similar plumage, apart from the western rosella. The juveniles of the blue-cheeked species, and western rosella, all have a distinctive green-based plumage, while immature plumage of the white-cheeked…
"Platycercus xanthogenys" Keulemans, 1891. This is an illustration of the type specimen of subspecies Platycercus icterotis xanthogenys.
Henry Constantine Richter's Platycercus icterotis, rechristened the "Earl of Derby Parrakeet", 1848