Geography / Polymorphism / Population Genetics / Multidisciplinary / Genetic Diversity / Phylogeny / Pacific Islands / Mitochondrial DNA / Haplotypes / Animals / South America / PLoS one / Chickens / Human Movement / Genetic variation / Base Sequence / Current Distribution / Phylogeny / Pacific Islands / Mitochondrial DNA / Haplotypes / Animals / South America / PLoS one / Chickens / Human Movement / Genetic variation / Base Sequence / Current Distribution