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A photo of a Western Rosella (Platycercus icterotis), male
Western Rosella, Male

Western Rosella

Platycercus icterotis

The western rosella (Platycercus icterotis), 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 distinguishes it from others of the genus Platycercus. Adults of the species exhibit sexual dimorphism with the females duller overall; juveniles lack the striking colours of mature birds and the characteristic patterning is not as easily distinguished. Their communication call is a softly delivered pink-pink sound, and much of their behaviour is comparatively unobtrusive. Their habitat is in eucalypt forests and woodlands, where they often remain unobserved until they appear to feed on seeds at nearby cleared areas. The smallest species of its genus, the adult western rosella weighs 60 to 70 g and is 25 to 30 cm long. It has broad wings with a 35 to 41 cm wingspan and a long tail that is on average 13 cm, equally half the measurement of its total length. It is the only species of the genus that exhibits marked differences in the coloration of the genders —the red of the plumage is more scarlet in male P. icterotis. Females are less striking in their colouring, the more subdued red plumage being flecked with green and a smaller dull yellow patch at the cheek. The adult male has a predominantly red head and neck, with a yellow cheek patch—bright yellow in the nominate subspecies and pale cream in subspecies xanthogenys. The red feathers are fringed with black when new. The back has indistinct black feathers mottled with red, green, and buff variation, being scalloped with these colours at the feather's edges. When folded, the wing is green, becoming black with green margins on the shoulder, with a narrow dark blue shoulder patch and blue-edged dark primary coverts. The blue of the flight feathers and coverts at the underwing is apparent when taking to the air. The upper tail coverts and rump are green tending to olive, perhaps with a red margin. The central tail rectrices are blue and green, outer tail feathers are a similar blue with a white tip. The undertail feathers are blue with white fringes. The underparts are red with green flanks. The beak is pale blue-grey with a dark grey cere. The legs and feet are slate grey, and the iris is dark brown. In the adult female, most of the red plumage of the head, neck and underparts is replaced by green, bar a solid red band across the forehead. The yellow cheek patch is smaller, and there are no red feathers on the back and scapulars. The female has a broad white or cream bar on the underwing. Immature birds resemble the adult female though with even more green plumage, red only on the crown, and lacking a yellow cheek patch entirely. The bill and cere are light pink, changing to adult coloration by six months of age.
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Western Rosellas on Birda

Sightings

A map showing the sighting location
🐦
Conor Crews
Wednesday 26 Apr 2023 - 2:31pm
Australia
A map showing the sighting location
🐦
Edward Clifford
Wednesday 10 Dec 2014 - 12:15pm
Australia
A map showing the sighting location
🦢
Jamie BT
Wednesday 10 Dec 2014 - 12:15pm
Australia
A map showing the sighting location
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Ed Jenkins
Saturday 08 Nov 2014 - 12:00am
Australia
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