The
Northern Rosella also known as
Brown's Parakeet or
Smutty Rosella, is found in Australia's
Top EndThe Top End of northern Australia is the second northernmost point on the continent. It covers a rather vaguely-defined area of perhaps 400,000 square kilometres behind the northern coast from the Northern Territory capital of Darwin across to Arnhem Land with the Indian Ocean on the west, the...
. It is unusually coloured for a rosella, with a dark crown and white cheeks similar to its relatives the
Pale-headed RosellaThe Pale-headed Rosella , is a broad-tailed parrot of the genus Platycercus native to northeastern Australia. It is a moderate-size parrot with a pale yellow head, predominantly white cheeks, scalloped black and gold back and pale blue underparts...
and the
Eastern RosellaThe Eastern Rosella is a rosella native to southeast of the Australian continent and to Tasmania. It has been introduced to New Zealand where feral populations are found in the North Island and in the hills around Dunedin in the South Island.-Taxonomy:The Eastern Rosella was named by...
.
At 28 cm long it is smaller than all bar the
Western RosellaThe Western Rosella Platycercus icterotis, less commonly known as the Stanley Rosella, Earl of Derby's parakeet or Yellow-cheeked parakeet, is the smallest species of rosella and is found in the South West of Australia. in Eucalypt forests and timbered areas. These are smallish parrots measuring ...
. The forehead, crown and nape are black in colour with white-on-blue cheek-patches. The back and wing
featherFeathers are one of the epidermal growths that form the distinctive outer covering, or plumage, on birds and some non-avian theropod dinosaurs. They are considered the most complex integumentary structures found in vertebrates, and indeed a premier example of a complex evolutionary novelty. They...
s are blackish with yellow borders, while the feathers of the belly, chest and rump are pale yellow with black borders giving rise to a scalloped appearance. The long tail is bluish green. The
beakThe beak, bill or rostrum is an external anatomical structure of birds which is used for eating and for grooming, manipulating objects, killing prey, fighting, probing for food, courtship and feeding young...
is pale grey and the
irisThe iris is a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupils and thus the amount of light reaching the retina. "Eye color" is the color of the iris, which can be green, blue, or brown. In some cases it can be hazel , grey, violet, or even pink...
dark. Immature
plumagePlumage refers both to the layer of feathers that cover a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage vary between species and subspecies and can also vary between different age classes, sexes, and season. Within species there can also be a...
is similar to adult but duller.
The Northern Rosella is found from the
Gulf of CarpentariaThe Gulf of Carpentaria is a large, shallow sea enclosed on three sides by northern Australia and bounded on the north by the Arafura Sea...
, through
Arnhem LandThe Arnhem Land Region is one of the five regions of the Northern Territory of Australia. It is located in the north-eastern corner of the territory and is around 500 km from the territory capital Darwin. The region has an area of 97,000 km² which also covers the area of Kakadu National...
to the Kimberleys in open
savannahSavannah or savanna is a type of grassland.It can also mean:-People:* Savannah King, a Canadian freestyle swimmer* Savannah Outen, a singer who gained popularity on You Tube...
country.
It is not a gregarious bird, found solitarily or in pairs. Nesting occurs in tree hollows in winter, with two to four eggs laid.
The Northern Rosella was first described by German naturalist
Heinrich KuhlHeinrich Kuhl was a German naturalist and zoologist.Kuhl was born in Hanau. He became assistant to Coenraad Jacob Temminck at the Leiden museum. In 1817 he published a monograph on bats and in 1819 he published Conspectus psittacorum...
. The specific epithet is derived from the
LatinLatin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...
venustus "charming, lovely or graceful". A subspecies, var.
hilli, was described by Mathews in 1910, however is not felt to be valid.
In
captivityCaptivity or Captive may refer to:*Imprisonment or hostage, the state of being confined to a space from which it is difficult or impossible to escape**Captive company...
, they are said to continue with their early mating habit, which is not a problem in Australia but more so in other countries.