Crimson Rosella (Platycercus elegans): A Stunning Description of its Unique Features

Có thể là hình ảnh về vẹt và vẹt lorikeet

Crimson Rosellas are not only red, but can be yellow or orange. Yellow and red birds produce orange offspring.

Identification

There are several colour forms of the Crimson Rosella. The form it is named for has mostly crimson (red) plumage and bright blue cheeks. The feathers of the back and wing coverts are black broadly edged with red. The flight feathers of the wings have broad blue edges and the tail is blue above and pale blue below and on the outer feathers. Birds from northern Queensland are generally smaller and darker than southern birds. The ‘Yellow Rosella’ has the crimson areas replaced with light yellow and the tail more greenish. The ‘Adelaide Rosella’ is intermediate in colour, ranging from yellow with a reddish wash to dark orange. Otherwise, all the forms are similar in pattern. Young Crimson Rosellas have the characteristic blue cheeks, but the remainder of the body plumage is green-olive to yellowish olive (occasionally red in some areas). The young bird gradually attains the adult plumage over a period of 15 months.

Platycercus elegans

Habitat

Throughout its range, the Crimson Rosella is commonly associated with tall eucalypt and wetter forests.

Distribution

Có thể là hình ảnh về vẹt lorikeet và vẹt

There are several populations of the Crimson Rosella. Red (crimson) birds occur in northern Queensland, in southern Queensland to south-eastern South Australia and on Kangaroo Island. Orange birds are restricted to the Flinders Ranges region of South Australia, while yellow ones are found along the Murray, Murrumbidgee and neighbouring rivers (where yellow birds meet red birds they hybridise, producing orange offspring). Red birds have been introduced to Norfolk Island and New Zealand.

Feeding and diet

Crimson Rosellas are normally encountered in small flocks and are easily attracted to garden seed trays. Once familiar with humans, they will accept hand held food. Natural foods include seeds of eucalypts, grasses and shrubs, as well as insects and some tree blossoms.

Communication

The Crimson Rosella has a range of calls, the commonest being a two-syllabled ‘cussik-cussik’. It also has a range of harsh screeches and metallic whistles.

Platycercus elegans elegans
An adult Crimson Rosella is pictured up-close and from the side on a brown tree branch. Its face, neck and breast are mainly red, with blue cheeks that are characteristic of this species. Its back has black feathers with red edges, giving the appearance of round black shapes inside red ones. This colouring extends to its wing, which changes suddenly into light and dark blue feathers. Its tail feathers are dark blue, with some white edges. Its beak is a cream colour. Image: G A Hoye

Breeding behaviours

Có thể là hình ảnh về vẹt lorikeet và vẹt

The Crimson Rosella’s nest is a tree hollow, located high in a tree, and lined with wood shavings and dust. The female alone incubates the white eggs, but both sexes care for the young. The chicks remain dependent on their parents for a further 35 days after leaving the nest.

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