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The Yellow-tailed Black Cockatoo will brace itself "woodpecker fashion" with their tails while looking for grubs and larvae. They will also perch on a "chopping platform" gouged out from the trunk of a tree.
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Status in the Wild
World Population: Above 20,000
Range: C.f. funereus: CE and SE Australia from C Queensland south to E Victoria, then west.
C.f. xanthanotus: Tasmania and SE mainland Australia from C Victoria west to SE South Australia, including Kangaroo Island.
Habitat: Found in higher rainfall habitat such as coastal areas, eucalyptus woodlands, pine plantations, heathland, orchards and farmland.
Threat Summary: Is declining in some areas (Eyre Peninsula) due to habitat loss, but in general population is stable.
IUCN Rating: Least concern
Wild Diet: Eats seeds of: pines, eucalypts, Hakea, casuarinas, banksias and acacias. Also fungus from seed cases. Also feeds on wood-boring larvae which are removed from trunks or roots of trees.
CITES Rating: Appendix II
Ecology: Is reliant on eucalyptus woodland for breeding; is nomadic, will move between hills and coastland in response to breeding season. Are encountered in large flocks of 300 birds or more; is noisy and conspicuous.
Clutch and Egg Size: 1 or 2 ovate eggs, 50.0 x 34.5mm (2 x 1.3 in).
Breeding Season: In northern part of range, April-July; in N New South Wales, January-May; in S New South Wales, December-February; in S Australia and Tasmania, November-January.
Links to Other Project(s): http://www.environment.sa.gov.au/biodiversity/arkoneyre/threatened_animals.html
http://www.publish.csiro.au/paper/WR9940267.htm
http://www.nrm.gov.au/state/sa/publications/case-studies/cocky.html
More Info Sites: http://www.kingisland.net.au/~naturalresources/threatened.htm
http://www.deh.sa.gov.au/biodiversity/arkoneyre/pdfs/ytbc.pdf
http://www.birdsaustralia.com.au/tbn/volunteer21.pdf