Oxyura vantetsi Worthy, 2005:263

New Zealand stiff-tailed duck, Van Tets' duck (proposed)



Taxonomy & Nomenclature



Conservation Status


Last record: Holocene



North Island, New Zealand


Biology & Ecology




Holotype: NMNZ S.001081

Type locality: Poukawa XII.2, North Island, New Zealand



NMNZS.3370 (right humerus)

NMNZ S.3527 (right humerus)

NMNZ S.5915 (left humerus)

NMNZ S.9745 (left humerus)

NMNZ S.12165 (left humerus)

NMNZ S.13730 (right humerus)

NMNZ S.20605 (right humerus)



Above: New Zealand Stiff-tailed Duck. Oxyura vantetsi. From the series: Extinct Birds of New Zealand., 2005, Masterton, by Paul Martinson. Purchased 2006. © Te Papa. CC BY-NC-ND 4.0. Te Papa (2006-0010-1/30)



Original scientific description:

Worthy, Trevor H. (2005). A new species of Oxyura (Aves: Anatidae) from the New Zealand Holocene. Longmann Symposium, Memoirs of the Queensland Museum 51(1): 259-275. [automatic download]


Other references:

Horn, P. L. (1983). Subfossil avian remains from Poukawa, Hawkes Bay, and the first record of Oxyura australis (Blue-billed Duck) from New Zealand. Journal of the Royal Society of New Zealand 13: 67-78.

Hugh Robertson, John Dowding, Graeme Elliott, Rod Hitchmough, Colin Miskelly, Colin O’Donnell, Ralph Powlesland, Paul Sagar, Paul Scofield, Graeme Taylor. (2013). Conservation status of New Zealand birds, 2012. New Zealand Threat Classification Series 4. 22 pp.

Hume, Julian Pender and Walters, Michael. (2012). Extinct Birds. London: T & AD Poyser. 544 pp.

Robertson, H. A., Baird, K. A., Elliott, G. P., Hitchmough, R. A., McArthur, N. J., Makan, T. D., Miskelly, Colin M., O’Donnell, C. F. J., Sagar, P. M., Scofield, R. P., Taylor, G. A. and Michel, P. (2021). Conservation status of birds in Aotearoa New Zealand, 2021. New Zealand Threat Classification Series 36. Department of Conservation, Wellington. 43 pp.

Tennyson, Alan J. D. and Bartle, J. A. (2008). Catalogue of type specimens of birds in the Museum of New Zealand Te Papa Tongarewa. Tuhinga 19: 185-207.

Tennyson, Alan J. D. and Martinson, P. (2006). Extinct Birds of New Zealand. Te Papa Press, Wellington. [p. 48]

Worthy, Trevor H. (2004). The Holocene fossil waterfowl fauna of Lake Poukawa, North Island, New Zealand. Tuhinga 15: 77-120.


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