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Type: Journal article
Title: Genetic evidence for extra-pair fertilisations in socially monogamous Short-tailed Shearwaters, Puffinus tenuirostris (Procellariiformes: Procellariidae), using DNA fingerprinting
Author: Austin, J.
Carter, R.
Parkin, D.
Citation: Australian Journal of Zoology, 1993; 41(1):1-11
Publisher: CSIRO Publishing
Issue Date: 1993
ISSN: 0004-959X
Statement of
J. J. Austin, R. E. Carter and D. T. Parkin
Abstract: Genetic relationships between adults and nestlings of the short-failed shearwater, Puffinus tenuirostris, were analysed by multilocus DNA fingerprinting. Short-tailed shearwaters are socially monogamous, forming strong pair bonds, often for many years. The human polycore minisatellite probe, 33-6, revealed sufficient variation in shearwater DNA to allow individual-specific identification. A total of 22 nestlings and 32 adults, comprising 10 trios of nestling and both parents, and 12 pairs of nestling and only one parent, were examined. Analysis of fingerprint profiles revealed four cases where a nestling was not related to one of the attendant adults, and may have resulted from an extra-pair fertilisation. Extra-pair fertilisations, as an alternative breeding strategy, are discussed with respect to the biased and low reproductive output of this long-lived species.
Rights: © CSIRO 1993
DOI: 10.1071/ZO9930001
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Appears in Collections:Aurora harvest
Earth and Environmental Sciences publications
Environment Institute Leaders publications

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