Green Rosella or Tasmanian
caledonicus) is endemic to Tasmania.
36 cm (14 in), it is the largest of the Rosellas. The
male and female are similar in plumage, being predominantly green
and yellow in colour with blue cheeks. Its diet is composed of
seeds, fruit, berries and flowers, as well as insects and insect
The Green Rosella was described by the German naturalist Johann Friedrich Gmelin
species specific epithet was
derived from the mistaken belief the bird was collected from
Alternate common names include Tasmanian Rosella, Yellow-bellied or
Yellow-breasted Parakeet, and Mountain Parrot.
Measuring 36 cm (14 in) in length, the adult Green
Rosella has a yellow head and underparts with blue cheeks and red
frontal band above the bill. The feathers of the back and wings are
black with green margins, the rump olive and the long tail green
with blue borders. The lateral wing feathers are pale blue. The
iris is brown, while the legs are grey and the bill pale tan-grey.
The female is similarly coloured and usually a little smaller.
Juvenile birds have dull yellow-green head and underparts and dull
green upperparts, and a wing stripe.
Distribution and habitat
The Green Rosella is found across Tasmania and Bass Strait islands,
and occurs in most habitats with some form of tree cover.
The Green Rosella is predominantly herbivorous, consuming seeds,
berries, nuts and fruit, as well as flowers, but may also eat
insect larvae and insects such as psyllids
They have also partaken of the berries of the common hawthorn
well as Coprosma
, and even leaf buds of the Common
Osier (Salix viminalis
The seeds of the Silver Wattle (Acacia dealbata
) are also eaten.
Juvenile in Melaleuca, Tasmania
The breeding season is October to January, with one brood. The
nesting site is usually a hollow over 1 m (3 ft) deep in a
tree trunk anywhere up to 30 m (100 ft) above the ground. A
clutch of four or five white and slightly shiny eggs, measuring 30
x 24 mm, is laid. The nestlings leave the nest around five
weeks after hatching and remain with their parents for another
The Green Rosella is reported to be hardier and easier to keep in
captivity than other rosellas.