South Island Kokako Callaeas cinereus


Bain, H. 2009. The search for the living dead? Forest and Bird: 27-29.

Basse, B., Flux, I. and Innes, J. 2003. Recovery and maintenance of the North Island kokako (Callaeas cinerea wilsoni) populations through pulsed pest control. Biological Conservation 50: 143-198.

Birds New Zealand. 2018. Possible sightings of South Island Kokako. Birds New Zealand.

Butchart, S. H. M.; Lowe, S.; Martin, R. W.; Symes, A.; Westrip, J. R. S.; Wheatley, H. 2018. Which birds have gone extinct? A novel quantitative classification approach. Biological Conservation 227: 9-18.

Clout, M. N.; Hay, J. R. 1981. South Island Kokako Callaeas cinerea cinerea in Nothofagus forest. Notornis 28: 256-259.

Evans, K. 2016. In Search of the Grey Ghost. New Zealand Geographic 140: Available at

Flux, I.; Bradfield, P.; Innes, J. 2006. Breeding biology of North Island Kokako (Callaeas cinerea wilsoni) at Mapara Wildlife Management Reserve, King Country, New Zealand. Notornis 53(2): 199-207.

Gill, B. J., B. D. Bell, G. K. Chambers, D. G. Medway, R. L. Palma, R. P. Scofield, A. J. D. Tennyson and T. H. Worthy. 2010. Checklist of the birds of New Zealand, Norfolk and Macquarie Islands, and the Ross Dependency, Antarctica, Ornithological Society of New Zealand Inc.

Heather, B.D.; Robertson, H.A. 1997. The Field Guide to the Birds of New Zealand. Oxford University Press, Oxford, UK.

Innes, J.; Hay, R.; Flux, I.; Bradfield, P.; Speed, H.; Jansen, P. 1999. Successful recovery of North Island Kokako Callaeas cinerea wilsoni populations by adaptive management. Biological Conservation 87: 201-214.

IUCN. 2019. The IUCN Red List of Threatened Species. Version 2019-3. Available at: (Accessed: 10 December 2019).

Milne, A.; Stocker, R. 2014. Evidence for the continued existence of the South Island kokako (Callaeas cinerea) drawn from reports collected between January 1990 and June 2012. Notornis 61: 137-143.

Miskelly, C.; Crossland, A.C.; Sagar, P.M.; Saville, I.; Tennyson, A.J.D.; Bell, E.A. 2013. Vagrant and extra-limital bird records accepted by the OSNZ Records Appraisal Committee 2011-2012. Notornis 60: 296-306.

Rasch, G. 1991. Recovery plan for North Island Kokako. Department of Conservation, Wellington.

Redmond, A. 2016. Once-extinct Kokako sighting near Nelson ‘the best in many years’. Available at:

South Island Kokako Charitable Trust. 2014. Strategic plan for the conservation of the South Island Kokako Callaeas cinerea. Nelson.

Further resources

Search for photos and videos, and hear sounds of this species from the Macaulay Library

Recommended citation
BirdLife International (2023) Species factsheet: Callaeas cinereus. Downloaded from on 05/02/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from on 05/02/2023.