Eastern Rosella

The Eastern Rosella is one of Australia's most dazzling and familiar parrots, a medium-sized bird that looks almost hand-painted: a crimson head and breast, clean white cheek patches, a bright yellow belly shading to pale green, and a back of black feathers edged in gold that creates a striking scalloped, mosaic-like pattern. Add a long blue-green tail and blue shoulders and you have a bird that seems too vivid to be common, yet across the southeast of the continent it is exactly that, a regular sight in gardens, parks, farmland, roadside paddocks, and open woodland.

Unlike many parrots that clamber through the canopy, Eastern Rosellas spend much of their time on the ground, walking quietly through grass in pairs or small groups as they husk seeds. They are wary feeders, and often the first sign of them is a sudden burst of color and ringing calls as a pair flushes into a nearby tree with fast, undulating flight. Because they tolerate cleared land and suburbs so well, they have remained abundant even as Australia's landscapes have changed, and for many Australians they are the backyard parrot, the one glimpsed on the lawn or at a seed tray. For visiting birders they are a near-guaranteed highlight of any trip to the southeast.

Within its range the Eastern Rosella is close to unmistakable. No other rosella combines a red head with pure white cheeks, and the golden-scalloped black back is distinctive even at a distance. The bird has a typical rosella shape: a smallish head, broad shoulders, and a long, broad tail that fans in flight. Confusion is really only possible with other rosellas, and the cheek color settles it every time. Females and young birds follow the same pattern but are slightly duller, often with more green mixed into the red.

Male vs. female

Males and females look broadly alike, which is unusual among Australian parrots, but a careful look usually separates them. Males are slightly larger with a bigger, broader head and bill, and their red is deeper and more extensive, covering the head cleanly. Females are typically a touch duller, often showing greenish feathers mixed into the red of the crown and nape, and their white cheek patches can look slightly smaller. Many females also show a pale stripe on the underside of the wing in flight, a mark males generally lack as adults. With a pair perched together the size and richness difference is often clear; a lone bird can be harder to call.

Juveniles

Juvenile Eastern Rosellas are recognizably the same bird but in a washed-out version of adult plumage. The red of the head and breast is duller and patchier, with green feathering on the crown and nape where adults are solid crimson, and the overall pattern looks softer. Like females, young birds usually show a pale underwing stripe. They gain full adult color gradually over their first year or so through molt, so birds in intermediate, blotchy plumage are common in late summer and autumn after the breeding season.

Eastern Rosellas are vocal, and their calls carry well across open country. The most familiar sound is the flight call, a bright, metallic, piping kwink-kwink or pink-pink, usually given in twos and threes as birds fly between trees. Perched birds, especially pairs, exchange softer chattering and a pleasant, bell-like whistled series that has a slightly conversational quality; males also give a fluting, up-and-down whistle in the breeding season that passes for song.

When alarmed, a rosella gives a sharp, harsh, scolding chatter as it flushes, which often alerts you to birds you had walked right past. Compared with the Crimson Rosella's deeper, mellow cussik-cussik, the Eastern Rosella's voice is higher, brighter, and more tinkling, a useful clue when the two species share a patch of woodland.

The Eastern Rosella is native to southeastern Australia. On the mainland it ranges from southern and southeastern Queensland through the eastern and central parts of New South Wales, across Victoria, and into the southeastern corner of South Australia. A separate subspecies occupies Tasmania, where the species is common throughout. Overall it is a bird of the cooler, better-watered southeast rather than the arid interior.

Its preferred habitats are open and edge environments: lightly timbered grassy woodland, savanna, forest edges and clearings, riverside trees, and above all human-modified country such as farmland, orchards, roadsides, golf courses, parks, and suburban gardens. It generally avoids dense, closed forest and treeless open plains, needing both open ground to feed on and hollow-bearing trees to nest in. Eastern Rosellas are largely sedentary, staying in the same area year-round with only local movements. Beyond Australia, an introduced population has become well established around the northern part of New Zealand's North Island, where it now breeds in the wild.

The Eastern Rosella is mainly a ground feeder with a broad, seed-heavy diet. It eats the seeds of grasses and many herbaceous plants, along with the seeds of shrubs and trees such as eucalypts, acacias, and introduced weeds. To this it adds fruits and berries, flower buds, blossoms, and nectar, and it will strip developing seed heads directly from plants as well as gleaning fallen seed from the ground.

Animal food matters too, particularly in the breeding season when the extra protein helps feed growing chicks: rosellas take insects and their larvae, including caterpillars and grubs found among foliage. Because they readily feed in orchards, grain crops, and market gardens, and will come to seed put out on lawns and bird tables, they sometimes come into conflict with growers, though they also do good work eating weed seeds and pest insects. Small groups often forage together, with one or two birds keeping watch while the rest feed.

Eastern Rosellas nest in hollows, a habit that ties them firmly to older trees. The favored site is a deep vertical hollow in a tree trunk or a dead limb, often quite high up, but pairs are flexible and will use hollow stumps, fence posts, and even nest boxes where natural hollows are scarce. There is little true nest building; the female simply lays on a bed of decayed wood dust at the bottom of the cavity.

The breeding season runs mainly through the Australian spring and early summer, roughly August to January. The female lays a clutch of about four to nine rounded white eggs and does all the incubation over roughly two and a half to three weeks, leaving the hollow briefly to be fed by the male nearby. Once the eggs hatch, both parents feed the chicks, which stay in the nest for around a month before fledging. Family groups often remain together for a while after the young leave the hollow, and a single brood per year is normal, though pairs may re-nest if a clutch fails.

The Eastern Rosella is a genuine backyard bird across much of southeastern Australia, but for visitors and those outside its range the real question is where and how to see one reliably. The good news is that it is common, active by day, and drawn to exactly the kind of open, accessible places that are easy to visit.

• Search open woodland and farmland edges in the southeast, from southeastern Queensland through New South Wales and Victoria to southeastern South Australia, plus all of Tasmania, where the species is especially easy to find.
• Try parks, golf courses, and large gardens, rosellas love mown grass beside mature trees, so city parks and reserves in Melbourne, Canberra, Sydney's outer suburbs, and Hobart are all reliable.
• Look on the ground first, they feed by walking through short grass, so scan lawns and paddock edges, not just the canopy, and watch for the flash of color as they flush.
• Go early in the day, morning is the most active feeding time, and their ringing flight calls make them far easier to locate than to spot.
• Offer a shallow water source if you live within their range, birdbaths draw rosellas for drinking and bathing, particularly in dry spells and hot weather.
• Watch for hollow-rich old trees, remnant paddock eucalypts and riverside timber attract nesting pairs, so river reserves and travelling-stock routes are worth checking in spring.

• Crimson Rosella: Deep crimson (green in young birds) with blue cheeks rather than white, and a mellower, deeper call. Overlaps broadly with the Eastern Rosella in southeastern Australia.
• Pale-headed Rosella: A northern relative with a pale whitish-yellow head instead of red, replacing the Eastern Rosella through Queensland and northern New South Wales.
• Western Rosella: A smaller red-and-green rosella with yellow cheeks, found only in southwestern Australia and well outside the Eastern Rosella's range.