North American Birds

VOLUME 70 NO1 2017

A Quarterly Journal of Ornithological Record Published by the American Birding Association. The mission of the journal is to provide a complete overview of the changing panorama of our continent’s birdlife.

Issue link: http://nab.aba.org/i/936087

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6 N O R T H A M E R I C A N B I R D S SAMUEL DENAULT 1991 RUE SAINT-ZOTIQUE EST, MONTRÉAL, QC, H2G 1J2 [SPDENAULT@GMAIL.COM] OLIVIER BARDEN 2976 RUE DE L'AUBIER, QUÉBEC, QC, G1M 3V1 [IRIDOSORNIS@GMAIL.COM] GERMAIN SAVARD 440 ROUTE DE TADOUSSAC, CANTON-TREMBLAY, QC, G7H 5A8 [GSAVARD@UQAC.CA] EDITORS' NOTE: On the Occurrence of Amethyst-throated Hummingbirds North of Mexico One of the great pleasures of being a subscriber to North American Birds is having access to papers that analyze and report on interesting events in the world of bird distribu- tion. In this issue of NAB, we are pleased to be publishing two such papers, both of which address the exact same spe- cies, the Amethyst-throated Hummingbird. The species has for many years been somewhat expected north of Mexico, a point noted by the authors of both papers, but few bird- ers imagined that the first two records would occur within a couple months of each other. The second, from October 2016, came from Texas, a "reasonable" place for this resident of the highlands of Middle America. But the first, from July 2016, hailed from Québec, which most of us would probably consider a far less likely location. The following papers are written by those involved in documenting and confirming these records, and they each offer unique takes on the context of these occurrences. We hope you enjoy the authors' different voices—and we didn't try to get in the way of that. But we also hope you see their devotion to documenting notable bird records—and to putting such documentation in a broader context. The oc- currence of these two hummingbirds is, in some sense, "old news" by now—previously disseminated by eBird, blogs, social media, and so forth. But we at North American Birds believe that these two papers deliver a quantity and quality of analysis hitherto unpublished. Furthermore, these arti- cles are an excellent opportunity for us to reflect on the role that eBird, social media, and electronic communication are playing in our everyday birding. In both papers, the authors discuss how the ability to communicate, analyze, and docu- ment the records electronically and in real time contributed to quick and accurate identifications. For as long as most of us have been alive, North Ameri- can Birds and its predecessors have been a clearinghouse for the documentation and analysis of records such as the two Amethyst-throated Hummingbirds reported on here. And we are confident that this journal will continue to fill that niche—even as the chronicling of avian S&D ("status and distribution") is changing drastically in the digital era. To that end, we hope that you, our readers, will continue to contribute papers that document and analyze the birdlife of our continent; we are interested both in detailed analy- ses of single records, as with the Denault et al. and Bryan & Floyd papers that follow, as well as in analyses of population trends. Both Tom Reed (treed@aba.org) and I (mhudson@ aba.org) look forward to hearing from you. —Mike Hudson, Editor An Amethyst- throated Hummingbird, Lampornis amethystinus, in Québec An Amethyst- throated Hummingbird, Lampornis amethystinus, in Québec

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