Sex determination of African Penguins Spheniscus demersus using bill measurements: method comparisons and implications for use

@inproceedings{Campbell2016SexDO,
  title={Sex determination of African Penguins Spheniscus demersus using bill measurements: method comparisons and implications for use},
  author={Kate J. Campbell and Danielle Farah and Sarah Amanda Collins and Nola J. Parsons},
  year={2016}
}
African Penguins Spheniscus demersus are sexually dimorphic; on average, males are larger than females but measurements overlap making sex determination difficult through observations alone. We developed a discriminant function, using bill length and depth from a sample of birds sexed from gonad visualisation during post-mortem, which correctly classified 93% of the individuals. Cross-validation correctly assigned 90% of DNA-sexed birds and 91% of birds sexed by partner measurement comparisons… CONTINUE READING