The Eastern Rosella prefers eucalypt woodlands and dry open
forest habitat. It’s principally a seed eater, most often feeding on the
ground, but also can be seen feeding among eucalypt limbs, where it extracts
psyllids (plant-lice) from galls. When agriculture took hold in Tasmania these
rosellas quickly recognized introduced
crops and orchards as food sources, and were considered by some to be a pest.
Rosellas nest in tree hollows, and lay 4-7 eggs. Their
population has declined over the years, possibly due to habitat loss, though
Green also suggests competition from starlings for those nest sites.
In spite of—or perhaps it’s because of—their brilliant
colours, rosellas are difficult to spot in the trees, but not difficult to hear
since they like to chatter among themselves as they feed. They are easier to
spot on the ground around the base of trees where the grass isn’t too long.
Some days ago now we went for a walk on the Queen’s Domain,
a large park area overlooking the Derwent in Hobart. There we both heard and
saw lots of rosellas, as well as magpies and noisy minors. The rosellas did not appear
to be overly alarmed by humans, and allowed us to get reasonably close to them
before flying off in a blurred flurry.
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