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Phylogenetic affinities of the Fregetta storm-petrels are not black and white
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文摘

Fregetta comprises black-bellied and white-bellied storm-petrels.

White-bellied form of black-bellied storm-petrel thought present in South Atlantic.

Nuclear and mitochondrial genes highlight this taxon does exist on Gough Island and in the Tristan group.

Two taxa of white-bellied storm-petrel also occur in the Atlantic Tristan group.

Research is required to determine how these forms segregate in sympatry.

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