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Solomons Cockatoo - BirdForum Opus

(Redirected from Broad-crested Corella)
Photo © by Joseph Morlan
Mount Austen, Guadalcanal, Solomon Islands, 19 September 2019

Alternative names: Ducorps's Cockatoo; Broad-crested Corella; Solomon Corella; Solomon Islands Corella

Cacatua ducorpsii

Identification

30-34 cm. (11¾-13¼ in.)

  • Mainly white
  • White triangular crest
  • Light pinkish bases to head and breast feathers (not usually visible)
  • Yellowish undertail and wing linings
  • Pale blue orbital skin.

Similar Species

None within range.

Distribution

Endemic to the Solomon Islands. Bougainville to Guadalcanal and Malaita.

Taxonomy

This is a monotypic species[1].

Habitat

They inhabit a wide variety of forests, forest edges, second-growth woodlands, gardens, scrub and suburbs. Most common in lowlands below 700 meters but have been recorded up to 1800 meters.

Behaviour

Rather shy, they often burst forth with shrill cries when disturbed. They have a firm, jerky flight with shallow wingbeats.

Diet

Fruit, seeds, blossoms, leaf buds, epiphytes, large caterpillars and soft-bodied insects. Sometimes raids native gardens for papayas and yams.

Breeding

Its breeding biology was unknown until 1997 when several nests with young in high natural tree cavities were described[7]. Clutch is usually two or three white eggs.

Vocalisation

Common flight call is a quick succession of two or three short grating notes. Also series of double cries with the first note is accented and the second inflected downward.

Movements

Presumed largely resident. Occurs mainly in pairs or groups of 5–10 individuals.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Dutson, G. (2011) Birds of Melanesia, Christopher Helm, London.
  3. Gregory, P. (2017) Birds of New Guinea, Including Bismarck Archipelago and Boughainville. Lynx Edicions, Barcelona.
  4. Juniper, T. & Parr, M. (1998) Parrots: A Guide to Parrots of the World. Yale Univ. Press, New Haven and London.
  5. Oiseaux.net
  6. Rowley, I. & Boesman, P. (2019). Solomons Corella (Cacatua ducorpsii). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/54419 on 26 November 2019).
  7. Webb, H.P. (1997) Nesting and other observations of Solomon Island birds. Austr. Bird Watcher 17:34-41.

Recommended Citation

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