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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28 Birder's Guide to Listing & Taxonomy | October 2017 In November 2016, members of the ABA voted overwhelmingly to add the Hawaiian Islands to the ABA Area. Thus, species that occur in the Hawai- ian Islands but not in the "Old ABA Area," now referred to as the "Continental (Tradi- tional) Area" for listing purposes, must be added to the primary ABA Checklist. As a member of the ABA Checklist Committee (ABA-CLC), I agreed to chair the committee during 2017 to integrate Hawaii-only spe- cies to the Checklist. My job has greatly been assisted by the formation of the Hawaii Bird Records Com- mittee (HBRC) in 2014, chaired by Eric VanderWerf, which had established an of- ficial Hawaiian Island Checklist by early 2017. I also thank the seven other current members of the ABA-CLC, Mary Gustafson, Tom Johnson, Andy Kratter, Aaron Lang, Mark Lockwood, Ron Pittaway, and David Sibley, for their excellent work and for bear- ing with me through this process. The HBRC began its compilation of the Hawaiian Island Checklist (which includes Midway Atoll, not officially part of the state of Hawaii) by reviewing all species on the Primary Checklist at the B. P. Bishop Mu- seum website "The Birds of the Hawaiian Islands: Occurrence, History, Distribution, and Status" (Pyle and Pyle 2009, see tinyurl. com/pylepyle). In the absence of a Hawaiian bird records committee during the mid-to- late 2000s, my father and I served as a de I ABA Checklist Committee Update: Adding " Hawaii-only " facto records committee, deciding to accept species to the Primary Checklist, or not, based on the documentation available. We used the standards of the California Bird Records Committee (CBRC), of which I had been a member, on and off, for 20 years. Pyle and Pyle (2009) accepted 317 spe- cies to the Primary Checklist and relegated 44 species to a Hypothetical List, which in - cluded species with erroneous reports, non- native species ("exotics" in ABA parlance) with populations that they did not consider established, species that had questionable natural occurrence in Hawaii, and species that were reported but for which the doc- umentation did not fully substantiate the identification. Members of the HBRC reviewed the docu- mentation for the 317 species on the Prima- ry Checklist and some of the 44 species on the Hypothetical List and, at the request of any member, they separately reviewed docu- mentation for acceptance or not to the HBRC Hawaiian Islands Checklist. In the absence of a request, the status listed in Pyle and Pyle (2009) remained unchanged. The HBRC re- view included nine species accepted by Pyle and Pyle (2009) that lacked evidence in the form of photograph or specimen (sight- only records), two exotic species to judge if they had met population establishment criteria (see p. 32), and records of 20 new species that had been documented between 2009 and 2016. Along with splits of several

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