Appearance
Adult birds have a prominent black face and throat, gray plumage, white underparts and a somewhat hooked bill. The size varies between 32 cm and 34 cm. They are slow-moving, inconspicuous birds, with a shrill, screaming call, sounding like "creearck".
Distribution
They are widely distributed in almost any wooded habitat throughout the area, except in rainforests. But they can also occur in urban areas, and are a fairly common sight on power lines in Australian cities such as Sydney and Perth.
Behavior
The diet consists of insects, their larvae, caterpillars or other invertebrates. These may be caught in flight, or caught when searching through the foliage. In addition, some fruits and seeds are also eaten.Outside the breeding season, they like to flock in groups of up to a hundred birds. Some may be partially migratory or may remain in the same territory. Lack of significant differences between regional populations in Australia makes it difficult to determine where populations move in winter.
Reproduction
Breeding season is chiefly from August to February each year. Both partners build the rather small nest. The fledglings leave the nest after about three weeks of hatching. They look like the adults, except the black facial mask is reduced to an eye stripe.References:
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