Birder's Guide

OCT 2017

Birder's Guide is the American Birding Association's newest publication. Each issue focuses on a key subject, providing tips from experienced birders on a wide variety of topics like Travel, Listing & Taxonomy, Gear, and Conservation & Community.

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Page 35 of 51

n Black-rumped Waxbills, Big Island Country Club near Puuanahulu, Hawaii Island, 13 December 2007. Both this species and Red-cheeked Cordonbleu were observed in low numbers on Hawaii between the 1970s and late 2000s, when each apparently became extirpated. The Hawaii Bird Records Committee recently voted to remove both species from the Hawaiian Islands Checklist as never having been adequately established, although both species remain listed on the AOS (formerly AOU) Check-list. Photo © Reginald David 34 Birder's Guide to Listing & Taxonomy | October 2017 Adding "Hawaii-only" Species headed Rosella. Three other species in this category were recently removed by the HBRC: Gray-sided Laughingthrush (the reported Hawaii population is now considered split, as Buffy Laughing- thrush), Black-rumped Waxbill, and Red-cheeked Cordonbleu. This, even though all three were accepted by Pyle and Pyle (2009) and the last two accept - ed by the AOU (1998). This last task is of lesser importance than accepting Hawaii-only species to the ABA Checklist , and while we hope to have the Hawaii-only additions com- pleted by the fall of 2017, the listing of these two species in the ABA Checklist appendix may take longer, if we decide to deal with them at all. We may decide to restrict this appendix to species that have been on the ABA Checklist at some time. Finally, lest we forget, the ABA-CLC is considering records outside of Hawaii. Of these, Cuban Vireo (Florida) was accepted to the ABA Checklist in Febru- ary 2017. Two other species, Common Shelduck (Newfoundland) and Ame- thyst-throated Hummingbird (Québec and Texas), are in circulation, and two more species, Pied Wheatear (Alaska) and House Swift (British Columbia), are on our radar. We will also be adjusting the checklist according to the recently released AOS (2017) 58th supplement, including the removal of Thayer's Gull and the addition of Cassiar Crossbill, as all AOS Check-list changes on taxono- my and nomenclature are automatically adopted by the ABA-CLC. Literature Cited American Ornithological Society (AOS; R.T. Chess- er, et al., comps.). 2017. Fifty-eighth supplement to the American Ornithologists' Union Check-list of North American Birds . Auk 134:751-773. American Ornithologists' Union (AOU). 1998. Check-list of North American Birds , 7th ed. Am. Ornithol. Union, Washington, D.C. American Ornithologists' Union (AOU; R.T. Chess- er, et al., comps.). 2016. Fifty-seventh supple- ment to the American Ornithologists' Union Check-list of North American Birds . Auk 133:544- 560. Pranty, B., and K. L. Garrett. 2011. Under the ra- dar: "Non-countable" exotic species in the ABA Area. Birding 43, 46-58. Pranty, B., et al. 2008. ABA Checklist: Birds of the Continental United States and Canada . Seventh Edition. The American Birding Association, Colo- rado Springs, CO. Pyle, R. L., and P. Pyle. 2009. The Birds of the Ha- waiian Islands: Occurrence, History, Distribution, and Status . B. P. Bishop Museum, Honolulu, HI, U.S.A. Version 1 (31 December 2009) Pyle, R. L., and P. Pyle. 2017. The Birds of the Hawaiian Islands: Occurrence, History, Distribu - tion, and Status . B. P. Bishop Museum, Honolulu, HI, U.S.A. Version 2 (1 January 2017) http://hbs.

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