Mobile Menu Open Mobile Menu Close
back back back

Double-brooding and brood overlap by Northern New Zealand Dotterels ( Charadrius obscurus aquilonius )

  • Publication Type

    Journal Article

  • Publication Year

    1999

  • Author(s)

    J.E. Dowding; D.E. Wills; A.M. Booth

  • Journal Name

    Notornis

  • Volume, Issue

    46, 1

  • Pagination

    181-186

  • Article Type

Keywords

breeding system; brood overlap; Charadrius obscurus; double-brooding; New Zealand Dotterel; plover


Double-brooding and brood overlap by Northern New Zealand Dotterels ( Charadrius obscurus aquilonius )

Notornis, 46 (1), 181-186

J.E. Dowding; D.E. Wills; A.M. Booth (1999)

Article Type:

Attachment


Download

Double-brooding has not previously been recorded in the New Zealand Dotterel (Charadrius obscurus). Since 1994, we have recorded five definite cases of double- brooding in which both birds of the pair were colour-banded, two cases where banded females had unbanded mates, and several probable cases involving unbanded birds. In the five cases in which pairs were banded, females always re-nested with the same mate (monogamous double-brooding). We recorded one definite and one probable case of brood-overlap; in some other cases there was definitely no overlap. Predation, timing of laying, and individual variation are some of the factors that may determine whether double-brooding occurs in the New Zealand Dotterel.