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Ornithological Science
Abstract
Abstract
Puffinus lherminieri bannermani is a small black-and-white shearwater, which is endemic to the Ogasawara Islands, Japan. The taxonomic position of this shearwater is contentious. It is treated as a subspecies of Audubon's Shearwater P. lherminieri or the Tropical Shearwater P. bailloni in some checklists, while it is as considered monotypic, as Bannerman's Shearwater P. bannermani, in others. We examined the mitochondrial cytochrome b region to determine the taxon's phylogenetic position. While on the one hand the results showed that it was not genetically related to either P. lherminieri or P. bailloni, but formed a clade with P. myrtae, P. newelli, and P. auricularis, on the other hand, bannermani has diverged substantially from the other three taxa in both genetic and morphological features. This shearwater was first described as Bannerman's Shearwater, and our results confirm that P. lherminieri bannermani should be split from Audubon's Shearwater, and the monotypic Bannerman's Shearwater is recommended to be restored as a distinct species.
We thank Naoko Suzuki and Mitsuru Munakata for their assistance in collecting the samples. Helpful comments from Dr. Yutaka Watanuki and an anonymous reviewer clarified the strengths and weaknesses of this study. This study was supported by the Tokyo Metropolitan Government, JSPS KAKENHI Grant (No.18370038) and the Environment Research and Technology Development Fund (4–1402) of the Ministry of the Environment, Japan.
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