Phylogenetic affinities of the New Zealand blue duck (Hymenolaimus malacorhynchos) (2012)
AuthorsRobertson, B.C., Goldstien, S.J.show all
We investigate the phylogenetic affinites of the New Zealand blue duck (Hymenolaimus malacorhynchos), a riverine specialist of uncertain relationships, using 2613 bp of DNA sequence data from 3 mitochondrial genes. Hymenolaimus has variously been considered an aberrant Anas species, or an ancient taxa in the tribe Anatini. Presently, it is placed in a highly-derived clade (Tribe Merganettini) with the shelducks. Our findings show that Hymenolaimus forms a monophyletic clade, and does not fit within any of the other duck tribes around the world. Our study also confirms convergent evolution among duck species that inhabit fast flowing rivers.
CitationRobertson, B.C., Goldstien, S.J. (2012) Phylogenetic affinities of the New Zealand blue duck (Hymenolaimus malacorhynchos). Notornis, 59(1&2), pp. 49-59.
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Keywordsblue duck; Anseriformes; cytochrome b gene; control region gene; ND2 gene; mitochondrial DNA; phylogenetics
ANZSRC Fields of Research06 - Biological Sciences::0604 - Genetics
06 - Biological Sciences::0608 - Zoology::060809 - Vertebrate Biology