Western Corella |
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Also known as: Corella, Western Long-billed Corella or Cockatoo, Dampier's Cockatoo, Muir's Corella (C.p. pastinator), White Cockatoo (Western Australia)
Western Corella diving
© Cheryl Moore
Photos
View in GalleryDid You Know?
Birds from the north favour double-gee (Emex australis), a weed pest; ironically this species is itself considered a pest.Academic Research
Related publications: Cacatua pastinatorSpecies Profile
Genus: Cacatua | Species: pastinator
Size:
45cm (17.5 in)
Weight:
700-860g (24.5-30.1 oz)
Subspecies including nominate:
two: C.p. pastinator, C.p. derbyi
Colour Adult:
C.p. pastinator: Both adults in general white with orange/red lores; bases of feathers on head and mantle down to flanks washed with pink/orange. Eye ring bare and grey/blue, more extensively beneath the eye. Eye dark brown.
C.p. derbyi: Both adults as in pastinator but smaller in size.
Colour Juvenile:
C.p. pastinator: As in adult but minimal orange/red on lores; pale yellow feather bases of back to rump and lower underparts. Eye ring bare but paler in colour, with a hint of pink under eye. Shorter upper mandible.
Call:
Described as chuckling with three notes; similar to Little Corella, also shorter disyllabic call, with the second tone being more high pitched. Gives shrill shrieks and screeches when agitated.
Listen NowVideo Links:
Video 1 | Video 2More Information:
Content Sources:
CITES
BirdLife International
Cornell Lab of Ornithology/Birds of the World
Parrots: A Guide to Parrots of the World, Juniper and Parr, 1998
Parrots of the World, Forshaw and Cooper, 1977. 2010 edition
Parrots of the World, Forshaw, 2006.
Parrots in Aviculture, Low, 1992.
Western Corella diving
© Cheryl Moore
Photos
View in GalleryDid You Know?
Birds from the north favour double-gee (Emex australis), a weed pest; ironically this species is itself considered a pest.Academic Research
Related publications: Cacatua pastinatorSpecies Care
Captive Status:
Rare
Longevity:
May live more than 50 yrs.
Housing:
Walk-in enclosure, minimum length 4.5m (14.7 ft).
Diet:
Mix of small seeds such as: canary, oats, safflower, millet spray; limited soaked, dry or sprouted sunflower; sprouted beans and pulses, cooked butterbeans and lentils; green leaves such as: Swiss chard, lettuce, sowthistle, dandelion, chickweed, and others; vegetables such as: corn, carrot, celery, zucchini, squash, green beans and peas in the pod; fruit such as: apples, oranges, pears, bananas, cactus fruits and others; nuts such as: walnuts, hazelnuts, pecans and roasted peanuts; complete pellet.
Enrichment:
Provide lots of wood and vegetable tanned leather bird-safe chewable items (fir, pine, willow or elder, sterlized pine cones).
Nest Box Size:
90cm (35.1") log with internal diameter of 35cm (13.6").
Clutch Size:
3 to 5
Incubation Time:
23 or 24 days.
Fledging Age:
8 weeks
Hatch Weight:
17g (0.6 oz)
Peak Weight:
Not recorded.
Weaning Weight:
Not recorded.
Western Corella diving
© Cheryl Moore
Photos
View in GalleryDid You Know?
Birds from the north favour double-gee (Emex australis), a weed pest; ironically this species is itself considered a pest.Academic Research
Related publications: Cacatua pastinatorSpecies Wild Status
World Population:
Unknown; C. pastinator pastinator estimated at 1000-1500.
IUCN Red List Status:
Least Concern
CITES Listing:
Appendix II
Threat Summary:
In the past threats have been shooting and poisoning by farmers, this is now prohibited. Clearance for agriculture has reduced available breeding sites.
Range:
C.p. pastinator: Deep south of SW Australia, mostly around Lake Muir.
C.p. derbyi: Wheatbelt of SW Australia from Geraldton and Mullewa south to east of Perth.
Habitat:
Occurs in open forest , Eucalyptus woodland along rivers and farmland with large trees and watering holes. Also have been seen in mulga and mallee areas and around towns and gardens.
Wild Diet:
Eats corms, roots, seeds and some agricultural crops.
Ecology and Behaviour:
May be found feeding with Galahs. Outside the breeding season large flocks gather in feeding and watering areas. Reach breeding age at 3 to 5 years.
Clutch and Egg Size:
3 to 5 ovate eggs, 33.0 x 25.0mm (1.3 x 1 in).
Breeding Season:
July-October; nest is in tree cavity.
Related Links:
Research: Breeding ecology of the Western Long-billed Corella
Research: Survival of adult and nestling Western Long-billed Corellas and Major Mitchell Cockatoos
Western Corella diving
© Cheryl Moore
Photos
View in GalleryDid You Know?
Birds from the north favour double-gee (Emex australis), a weed pest; ironically this species is itself considered a pest.Academic Research
Related publications: Cacatua pastinatorMembers Only Resources
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