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African Sacred Ibis (1 Viewer)

Alan Manson

Alan Manson

KwaZulu-Natal birder
Opus Editor
Sacred Ibis

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From: BirdLife International (2008) The BirdLife checklist of the birds of the world, with conservation status and taxonomic sources. Version 1. Downloaded from http://www.birdlife.org/datazone/species/downloads/BirdLife_Checklist_Version_1.zip [.xls zipped 1 MB].
Threskiornis aethiopicus (Sibley and Monroe 1993) has been split into T. aethiopicus and T. bernieri following Sibley and Monroe (1990) whose treatment has been adopted by the BirdLife Taxonomic Working Group on the basis of bernieri's smaller size, proportionately much smaller, slimmer bill, little or no black in the wing-tips, a bluish-white or white, not brown iris, paler, less well developed ornamental plumes, the apparent absence of a neck-sac and its restriction to estuarine and coastal areas.
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IOC (Gill & Wright, 2008) also recognose the split.
 
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But not at this time by either Clements or H&M. I therefore think we should not change this one in Opus.

Niels
 
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