Genetic mating system of Australasian Gannets (Morus serrator)

Mark E. Hauber, Claire Daniel, Brent M. Stephenson, Craig D. Millar, Stefanie M.H. Ismar

Research output: Contribution to journalArticlepeer-review

Abstract

We studied genetic similarity between adults and nestlings in putative social families (i.e., 2 adults and a chick) of a seabird that provides obligate biparental care, the Australasian Gannet (Morus serrator), in New Zealand. We detected DNA fingerprint mismatches in 12% of 26 nests between the chick and 1 of the 2 attending adults sampled. No parent-offspring genetic mismatch was detected in nests with 4-week-old or younger and sedentary nestlings, whereas adult-nestling mismatches were detected only in nests with 5-week or older and more mobile young sampled. We conclude that the genetic mating system of this sulid species is predominantly monogamous.

Original languageEnglish (US)
Pages (from-to)763-770
Number of pages8
JournalWilson Journal of Ornithology
Volume130
Issue number3
DOIs
StatePublished - Sep 2018

Keywords

  • Australasian Gannet
  • DNA fingerprinting
  • Morus serrator
  • multilocus minisatellites
  • parentage
  • social mating system

ASJC Scopus subject areas

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

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