Norfolk Island Robin

To: Birding-aus <>
Subject: Norfolk Island Robin
From: Phil Gregory <>
Date: Fri, 25 Sep 2015 21:44:19 +0000
A new split proposed here, taken from Birdforum:
Kearns, Joseph, White, Austin, Baker, Driskell, Malloy & Omland (in press). 
Norfolk Island Robins are a distinct endangered species: ancient DNA unlocks 
surprising relationships and phenotypic discordance within the Australo-Pacific 
Robins. Conserv Genet. [abstract]
Norfolk Island Robin Petroica [multicolor] multicolor (monotypic)
Pacific Island Robin Petroica [multicolor] pusilla
Our analyses also suggest that a case could be made for the description of the 
Solomon Islands and Vanuatu/Fiji/Samoa lineages of Pacific Island Robins as 
separate species under the same criteria. If so, Petroica pusilla Peale, 1848 
has priority for the lineage in Vanuatu, Fiji and Samoa. The Solomon Islands 
lineage, however, has three valid and available species-group epithets, each of 
which was erected by Mayr (1934). The epithets arepolymorpha Mayr, 1934, 
kulumbangrae Mayr, 1934, and septentrionalis Mayr, 1934. Under Article 24.2.1 
of the International Code of Zoological Nomenclature (ICZN (International Code 
of Zoological Nomenclature) 1999) we as first reviser nominate polymorpha Mayr, 
1934, meaning 'many forms', to apply as a species rank epithet for the Solomon 
Islands lineage. However, this hypothesis will need to be evaluated more fully 
elsewhere using increased sampling of nuclear loci. At the very least, it is 
clear from our data that these two lineages should be recognised as distinct 
evolutionary significant units (ESUs) (Moritz 1994).
Boles 2007 (HBW 12).

[See also: Scarlet Robin / Pacific Robin.]

Good to see, now for Norfolk Island Whistler
Phil Gregory

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