Circus eylesi Scarlett, 1953:245

Eyles’ harrier, Eyles harrier (idiosyncratically used for C. teauteensis by Seersholm et al., 2018)



Taxonomy & Nomenclature

Synonym/s: Circus hamiltoni Forbes, 1892:186 (nomen nudum); Circus teauteensis Forbes, 1892:186 (nomen nudum)


"Five species previously described, but regarded as junior synonyms of other species, are now regarded as valid species:...Forbes’ harrier (Circus teauteensis) (Tennyson & Martinson 2007)..."

(Tennyson, 2010:27)


Conservation Status


Last record: subfossil; 1870's (vague report)



New Zealand


Biology & Ecology










Original scientific description:

Scarlett, R. J. (1953). A sub-fossil hawk from New Zealand. Records of the Canterbury Museum 6: 245-252.


Other references:

Dawson, E. W. (1958). Re-discoveries of the New Zealand sub-fossil birds named by H. O. Forbes. Ibis 100: 232-237. [relevant?]

Forbes, H. O. (1892). Preliminary notice of additions to the extinct avifauna of New Zealand. Transactions and Proceedings of the New Zealand Institute 24: 185-189.

Hamilton, A. (1889). Notes on a deposit of moa-bones in the Te Aute Swamp, Hawke's Bay. Transactions and Proceedings of the New Zealand Institute 21: 311-318.

Holdaway, Richard N. and Worthy, Trevor H. (1997). A reappraisal of the late Quaternary fossil vertebrates of Pyramid Valley Swamp, North Canterbury, New Zealand. New Zealand Journal of Zoology 24(1): 69-121.

Holdaway, Richard N., Worthy, Trevor H. and Tennyson, Alan J. D. (2001). A working list of breeding bird species of the New Zealand region at first human contact. New Zealand Journal of Zoology 28: 119-187.

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

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. [listed as extinct as C. teauteensis]

Scofield, R. Paul, Montelle, Yann-Pierre and Wood, Jamie. (2012). A significant Holocene mainly avian deposit from southern New Zealand: predator assemblage or pitfall?, pp. 25. In: Worthy, Trevor H. and Göhlich, Ursula B. (eds.). 8th International Meeting of the Society of Avian Paleontology and Evolution, Abstracts. [C. teauteensis]

Seersholm, Frederik V. et al. (2018). Subsistence practices, past biodiversity, and anthropogenic impacts revealed by New Zealand-wide ancient DNA survey. PNAS. [Supplementary information]

Tennyson, Alan J. D. (2010). The origin and history of New Zealand’s terrestrial vertebrates. New Zealand Journal of Ecology 34(1): 6-27.

Tennyson, Alan J. D. and Martinson, P. (2007). Extinct birds of New Zealand. Revised Edn. Wellington, Te Papa Press. v + 180 pp.

Trotter, M. M. (1965). Avian remains from North Otago archaeological sites. Notornis 12(3): 176-178. ["Palaeolimnas chathamensis", but being from the South Island is more likely referable to Fulica prisca]

Worthy, Trevor H. (1993). Fossils of Honeycomb Hill. Museum of New Zealand, Te Papa Tongarewa, Wellington. 56 pp.

Worthy, Trevor H. (2000). Two late-Glacial avifaunas from eastern North Island - Te Aute and Wheturau Quarry. Journal of the Royal Society of New Zealand 30: 1-26.

Worthy, Trevor H. and Holdaway, Richard N. (1994). Quaternary fossil faunas from caves in Takaka Valley and on Takaka Hill, northwest Nelson, South Island, New Zealand. Journal of The Royal Society of New Zealand 24(3): 297-391.

Worthy, Trevor H. and Holdaway, Richard N. (2000). Terrestrial fossil vertebrate faunas from inland Hawke's Bay, North Island, New Zealand. Part 1. Records of the Canterbury Museum 14: 89-154.

Worthy, T. H. and Holdaway, Richard N. (2002). The lost world of the moa. Christchurch, Canterbury University Press. xxxiii + 718 pp.

Worthy, Trevor H. and Zhao, J. X. (2006). A late Pleistocene predator-accumulated avifauna from Kids Cave, West Coast, South Island, New Zealand. Alcheringa Special Issue 1: 389-408.

Wragg, Graham M. (1981). The birds of Canterbury: history and present status. A dissertation presented as a requirement for the Diploma in Parks and Recreation (National Parks option). Lincoln College, New Zealand.


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