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1 September 2018 Genetic mating system of Australasian Gannets (Morus serrator)
Mark E. Hauber, Claire Daniel, Brent M. Stephenson, Craig D. Millar, Stefanie M. H. Ismar
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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.

Mark E. Hauber, Claire Daniel, Brent M. Stephenson, Craig D. Millar, and Stefanie M. H. Ismar "Genetic mating system of Australasian Gannets (Morus serrator)," The Wilson Journal of Ornithology 130(3), 763-770, (1 September 2018). https://doi.org/10.1676/17-039.1
Received: 2 March 2017; Accepted: 29 June 2017; Published: 1 September 2018
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