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Résumé :
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Martens J & Bahr N 2011: Documentation of new bird taxa, 5. Report for 2009. Vogehvarte 49: 85-104.This report is the fifth one of a series and presents the results of a comprehensive literature screening in search for new bird taxa described in 2009, namely new genera, species and subspecies worldwide. We tracked six genera, six species and six subspecies names new to science which according to the International Code of Zoological Nomenclature were correctly described. One new family was erected (Pnoepygidae, out of Timaliidae) and two former families (Sylviidae and Timaliidae) were strongly modified. New genera were erected for species or species groups, respectively, of the Accipitridae (two), Tyrannidae, Furnariidae, Paradoxornithidae and Fringillidae (one each). Five of the new species refer to Passeriformes and one to Non-Passeres, a hummingbird. The distributional areas of the new species often are minute, restricted to remote and difficult to access areas and were hitherto overlooked. In several cases the populations in question were known since long. But only substantial studies of their songs, genetics and/or ecology their remarkable acoustical and genetic or ecological properties (in the case of the new crossbill) led to description of new species.In a zoogeographic context most of the new taxa originate from the Neotropics, followed by Indomalayan and Holarctic regions. The remainder of taxa are scattered over Pacific islands and the Afrotropics. In a taxon sequence by genus/species/subspecies the newly described taxa have following origin: Neotropis and Caribbean (4/2/3), Palearctic (-/-/1), Indo-Malaya (1/2/2), Nearctic (-/1/-), Afrotropics (-/1/-), Pacific Islands (1/-/-). New names were proposed for a Neotropical genus, a Nearctic species, and two subspecies, one each from the Palearctic and the Indo-Malayan regions, respectively. A number of splits - namely those of known species into allospecies as the geographic representatives of a superspecies - are also addressed. But we restrict the treatment of these splits to the Palearctic and Indo-Malayan regions. We suggest possible flaws in new descriptions and certain splits, regardless of 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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