Males display intensely in their territorial behaviour.ġ elliptical egg, 50.0 x 37.0mm (2 x 1.4 in). Travel singly or in pairs, or in parties of five or six. Pandanus palm nuts, Castanospermum australe, and seeds of Terminalia kaernbachii and Canarium all favoured.Ĭonspicuous, lordly in behaviour. The palm cockatoo, also known as the goliath cockatoo or great black cockatoo, is a large smoky-grey or black parrot of the cockatoo family native to New. Up to 1350m (4428 ft).ĭiet includes a wide variety of seeds, nuts, fruits, berries and leaf buds. Lowland in New Guinea found in rainforest, forest edge, monsoon woodland, tall secondary growth. stenolophus: Japen Island in Geelvink Bay, Irian Jaya, and N New Guinea from Mamberamo River east to Collingwood Bay, SE Papua New Guinea. goliath: W Papuan Islands, except Misool, Indonesia, and C New Guinea from Vogelkop, Irian Jaya, east to SE Papua New Guinea.
macgillivrayi: S New Guinea between Fly and Balim Rivers, and Cape York Peninsula, N Queensland, Australia, south on east coast to Princess Charlotte Bay and on west coast to Edward River aterrimus: Misool, in W Papuan Islands and Aru Islands, Indonesia. A low reproductive rate in Australia suggests that the species is at risk long-term. Is hunted for food in New Guinea and possibly Cape York, with high rates of nestling predation in Papua New Guinea. Increasing numbers of bush fires are contributing to the loss of suitable nest trees. Ongoing habitat loss and illegal trapping for trade are the main threats. Higher pitched than Sulphur-crested Cockatoo. stenolophus: Both adults as in goliath but crest feathers much narrower.Īs in adults but with pale yellow edging to feathers of underparts shorter crest. goliath: Both adults as in macgillivrayi but larger in size.
macgillivrayi: Both adults as in aterrimus but larger in size. aterrimus: Both adults in general black with powder from down giving a grey appearance crimson bare cheek-patches and gape thighs bare and blue/grey. Related publications: Probosciger aterrimusįour: P.a.
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