Forty-second supplement to the American Ornithologists' Union Check-list of North American Birds

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This first Supplement since publication of the 7th edition (1998) of the AOU Check-list of North American Birds summarizes changes made by the Committee on Classification and Nomenclature between its reconstitution in late 1998 and 31 January 2000. Changes in this Supplement fall into eight categories: (1) three species are added to the main list because of new distributional information (Ardeola bacchus, Milvus migrans, Emberiza elegans); (2) 11 species are added to the list because of splitting of species previously on the list (Sula granti, Centrocercus minimus, Picoides arizonae, Dendroica subita, D. delicata, Spindalis nigricephala, S. dominicensis, S. portoricensis, Icterus prosthemelas, Lonchura cantans, and L. atricapilla); (3) four species are changed (Caracara cheriway, Glaucidium costaricanum, Myrmotherula pacifica, Pica hudsonia) and one added (Caracara lutosa) by splits from now-extralimital forms; (4) four scientific names of species are changed because of generic reallocation (Ibycter americanus, Stercorarius skua, S. maccormicki, Molothrus oryzivorus); (5) one specific name is changed for nomenclatural reasons (Baeolophus ridgwayi); (6) the spelling of five species names is changed to make them gramatically correct relative to the generic name (Jacamerops aureus, Poecile atricapilla, P. hudsonica, P. cincta, Buarremon brunneinucha); (7) one English name is changed to conform to worldwide use (Long-tailed Duck), one is changed by removing an unneeded modifier (White Tern), and five are changed because of species splits (Greater Sage-Grouse, Western Spindalis, Greater Antillean Oriole, Indian Silverbill, Tricolored Munia); and (8) seven species are added to the Appendix (Oceanodroma monorhis, Circus aeruginosus, Larus genei, L. novaehollandiae, Phaethornis yaruqui, Tachycineta albiventer, Oryzoborus angolensis). The 15 additions to the main list bring the number of species recognized as occurring in the Check-list area (main list) to 2,023. This Supplement also makes some technical nomenclatural and spelling changes that were not included with errata in the Notice from the Committee in Auk 116:282–283, 1999. Literature that provides the basis for the Committee’s decisions is cited at the end of the Supplement, and citations not already in the Literature Cited of the 7th edition become additions to it. An updated list of species known from the Checklist area may be accessed from
http://www.nmnh.si.edu/BIRDNET/index.html.

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ELECTRONIC FILE - Zoology

Preferred citation: American Ornithologists’ Union. 2000. Forty-second supplement to the American
Ornithologists’ Union Check-list of North American Birds. Auk 117:847–858.

SWAP (2/19/2016) citation: American Ornithologists’ Union. 2000. Forty-second supplement to the American Ornithologists’ Union Check-list of North American Birds. Auk. 117(3):847–858 [with Check-list of North American Birds in italics and capped]