The pair bond and divorce among Oystercatchers Haematopus ostralegus on Skokholm Island, Wales

M. P. HARRIS, U. N. SAFRIEL, M. DE L. BROOKE, C. K. BRITTON

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Mate changes of Oystercatchers were followed over a 15‐year period. In 8.0% of instances, the pair split up between breeding seasons even when both members bred the second season. The likelihood of divorce was highest for birds aged five years, the modal age of first breeding. After divorce birds did not select an older or younger mate when re‐pairing. Low hatching success increased the chances of divorce. Divorce was not followed by significant changes in clutch‐size, laying date or nesting success (although females tended to be more successful).

Original languageEnglish
Pages (from-to)45-57
Number of pages13
JournalIbis
Volume129
Issue number1
DOIs
StatePublished - 1 Jan 1987
Externally publishedYes

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology

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