Published July 1, 2017 | Version v1
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Fifty-eighth supplement to the American Ornithological Society's Check-list of North American Birds

Description

This is the 17th supplement since publication of the 7th edition of the Check-list of North American Birds (American Ornithologists' Union [AOU] 1998). It summarizes decisions made between April 15, 2016, and April 15, 2017, by the AOS's Committee on Classification and Nomenclature—North and Middle America. The Committee has continued to operate in the manner outlined in the 42nd Supplement (AOU 2000). Changes in this supplement include the following: (1) four species (Melanitta nigra, Rallus longirostris, Thalassarche eremita, and Acrocephalus dumetorum) are added to the main list on the basis of new distributional information, including one species transferred from the Appendix; (2) nine species (Tadorna ferruginea, Rallus aquaticus, Charadrius veredus, Corvus frugilegus, C. cornix, Sylvia atricapilla, Zoothera aurea, Anthus pratensis, and Acanthis cabaret) are added to the main list because of a change in the geographical coverage of the Check-list (inclusion of Greenland), including six species transferred from the Appendix, and the status codes for four species (Anser brachyrhynchus, Pluvialis apricaria, Turdus pilaris, and T. iliacus) are changed for the same reason; (3) four species (Eugenes spectabilis, Loxia sinesciuris, Melozone cabanisi, and Junco bairdi) are added to the main list due to splits from species already on the list; (4) the distributional statement and English name of one species (Aulacorhynchus prasinus) are changed because of a split from an extralimital species; (5) two species names are changed (to Circus hudsonius and Lanius borealis) because of splits from extralimital species; (6) one species (Larus thayeri) is lost by merger into a species already on the list; (7) six genera (Sibirionetta, Spatula, Mareca, Crithagra, Leistes, and Ptiloxena) are added as a result of splits from other genera, resulting in changes to 12 scientific names (Sibirionetta formosa, Spatula querquedula, S. discors, S. cyanoptera, S. clypeata, Mareca strepera, M. falcata, M. penelope, M. americana, Crithagra mozambica, Leistes militaris, and Ptiloxena atroviolacea); (8) one genus (Juliamyia) is added and another (Damophila) lost due to reasons of priority, resulting in a change to one scientific name (Juliamyia julie); (9) three genera (Chen, Procelsterna, and Mesophoyx) are lost by merger (into Anser, Anous, and Ardea), resulting in changes to five scientific names (Anser canagicus, A. caerulescens, A. rossii, Anous ceruleus, and Ardea intermedia); (10) the English names of two species (Toxostoma lecontei and Ammodramus leconteii) are changed to correct the spelling of a proper name; and (11) one species (Cyanerpes cyaneus) is added to the list of species known to occur in the United States. Ten new families of nine-primaried oscines (Rhodinocichlidae, Passerellidae, Calyptophilidae, Phaenicophilidae, Nesospingidae, Spindalidae, Zeledoniidae, Teretistridae, Icteriidae, and Mitrospingidae) are added, and a subfamily classification is adopted for the Icteridae. New linear sequences are adopted for species in the genus Anser, for species currently or formerly in the genus Anas, for species in the Scolopacidae, for genera in the Fringillidae and Icteridae, and for families of nine-primaried oscines, all due to new phylogenetic data; and the relative positions of Saxicola and Oenanthe in the linear sequence are reversed, correcting an error from a previous supplement. Literature that provides the basis for the Committee's decisions is cited at the end of this supplement, and citations not already in the Literature Cited of the 7th edition (with supplements) become additions to it. A list of the bird species known from the AOS Check-list area may be found at http://checklist.aou.org/taxa.

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