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Résumé :
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This report is the second one of a series and presents the results of a literature screening in search for new bird taxa described in 2006, namely new genera, species and subspecies worldwide. We tracked three new genera, seven new species, nine subspecies new to science and one replacement name for a known subspecies. New genera refer to one Asian and two tropical South American passerine groups. New species concern seven Non-Passeriformes (3 species /4 subspecies, among them two new parrot species and subspecies, respectively) and nine Passeriformes (4/5). In 2006 most new taxa originate from South America (2/5; again including a species of the speciose genus Scytalopus), followed by subtropical and tropical Asia (2/1, India, the Philippines); Africa including Islas Mascarenas (1/1), and the palearctic region (-/3; Canary Islands, Russia, China). The new species belong to the parrots (S-America, Philippines), owls (one species of unknown origin), Old World babblers (Indian Himalaya), bush-warblers (southern Pacific), tapaculos (Brazil) and batis (tropical Africa). For every new taxon the type locality, number of specimens and depository of the types, reasons for describing the taxon, the taxonomic background, relationships of the new taxon and the characters leading to the discovery and the description of the taxon are noted. The annually increasing number of splits namely those of known species into allospecies, which in most cases result in geographic representatives of a superspecies, are also addressed. But we restricted the treatment of these splits to the palearctic and Indomalayan Regions. However, while such splits are very inhomogeneous in reasoning and quality, not every split known to us is mentioned here. We took the liberty to hint to flaws of new description and certain splits irrespective the species concept addressed. However, in general this report should be taken as a documentation of new taxa, not as a critical review of recent changes in bird taxonomy and bird descriptions.
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