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Displaced by riverbed flooding; quantifying numbers and distribution of refugee wrybill (Anarhynchus frontalis) on Canterbury coastal wetlands in October–November 2013

  • Publication Type

    Journal

  • Publication Year

    2020

  • Author(s)

    A.C. Crossland; P. Crutchley

  • Journal Name

    Notornis

  • Volume, Issue

    67, 4

  • Pagination

    765-771

  • Article Type

    Paper

Keywords

Anarhynchus frontalis; coastal Canterbury wetlands; river floods; Wrybill


Displaced by riverbed flooding; quantifying numbers and distribution of refugee wrybill (Anarhynchus frontalis) on Canterbury coastal wetlands in October–November 2013

Notornis, 67 (4), 765-771

A.C. Crossland; P. Crutchley (2020)

Article Type: Paper

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We undertook a survey of coastal wetlands in Canterbury (NZ) during a widespread river flooding event in Spring 2013 to quantify numbers and distribution of wrybill (Anarhynchus frontalis). We found 740 birds, of which 685 (92.6%) were at Lake Ellesmere/Te Waihora. We calculate that 15.8% of the estimated effective wrybill breeding population were displaced from breeding rivers by floods at this time. Our findings support the evaluation by Dowding & Moore (2006) that the network of wetlands along the Canterbury coast appears to be of critical importance to wrybill as breeding season flood refugia.