"Night Voices Revealed: A New Guide to Flight Calls Sheds Light on Nocturnal Migration," *Birding*, December 2002, pp. 546-553, by Jay Withgott.
To anticipate your next question... :-) Sorry, but this is from before the era that we were posting PDFs online. Ted Floyd Lafayette, eastern Boulder County, Colorado, USA =================================== Ted Floyd Editor, *Birding* magazine Managing Editor, *North American Birds* Website: http://aba.org/birding Twitter: http://twitter.com/BirdingMagazine <https://twitter.com/BirdingMagazine> The ABA Blog: http://blog.aba.org/ On Wed, Jan 31, 2018 at 11:47 AM, Wim van Dam <wim.van....@gmail.com> wrote: > Ted: what is the reference of the article you are referring to? > > In the meantime I found this article, which addresses the question to > some extend: > > "FLIGHT CALLS AND THEIR VALUE FOR FUTURE ORNITHOLOGICAL STUDIES AND > CONSERVATION RESEARCH", Andrew Farnsworth, The Auk 122(3):733-746. > 2005 > > https://doi.org/10.1642/0004-8038(2005)122[0733:FCATVF]2.0.CO;2 > > > Thanks > Wim van Dam > Solvang, CA, USA > > On Wed, Jan 31, 2018 at 6:21 AM, Ted Floyd <tfl...@aba.org> wrote: > > Jay Withgott? > > > > You out there? > > > > Could you post a PDF of your fine article in Birding, gasp, 16 years ago? > > (Feels like yesterday.) > > > > Best, --TF > > > > > > > > =================================== > > > > Ted Floyd > > Editor, Birding magazine > > Managing Editor, North American Birds > > > > Website: http://aba.org/birding > > Twitter: http://twitter.com/BirdingMagazine > > The ABA Blog: http://blog.aba.org/ > > > > On Tue, Jan 30, 2018 at 12:50 AM, Wim van Dam <wim.van....@gmail.com> > wrote: > >> > >> So as I'm starting to learn about NFCs the obvious question came to > >> me: how do we know what we currently know? > >> > >> Do we typically infer ID features from daytime flight calls where we > >> can visually verify our IDs? Or are night calls too different from > >> daytime ones, meaning that we have/had to find other ways of matching > >> calls with birds (netting, night time visual observations, etc)? > >> > >> Imagine somebody trying to get into NFCs in an unexplored part of the > >> world. How does such a person start? > >> > >> Thanks. > >> > >> Wim van Dam > >> Solvang, CA (USA) > >> > >> -- > >> NFC-L List Info: > >> > >> Welcome and Basics – http://www.northeastbirding.com/NFC_WELCOME > >> Rules and Information – http://www.northeastbirding.com/NFC_RULES > >> Subscribe, Configuration and Leave – > >> http://www.northeastbirding.com/NFC-L_SubscribeConfigurationLeave.htm > >> > >> Archives: > >> The Mail Archive – > >> http://firstname.lastname@example.org/maillist.html > >> Surfbirds – http://www.surfbirds.com/birdingmail/Group/NFC-L > >> Birding.ABA.Org – http://birding.aba.org/maillist/NFC > >> > >> Please submit your observations to eBird! – > >> http://ebird.org/content/ebird/ > >> -- > > > > > > -- > > NFC-L List Info: > > Welcome and Basics > > Rules and Information > > Subscribe, Configuration and Leave > > Archives: > > The Mail Archive > > Surfbirds > > Birding.ABA.Org > > Please submit your observations to eBird! > > -- > > -- > NFC-L List Info: > > Welcome and Basics – http://www.northeastbirding.com/NFC_WELCOME > Rules and Information – http://www.northeastbirding.com/NFC_RULES > Subscribe, Configuration and Leave – http://www.northeastbirding. > com/NFC-L_SubscribeConfigurationLeave.htm > > Archives: > The Mail Archive – http://email@example.com/maillist. > html > Surfbirds – http://www.surfbirds.com/birdingmail/Group/NFC-L > Birding.ABA.Org – http://birding.aba.org/maillist/NFC > > Please submit your observations to eBird! � http://ebird.org/content/ > ebird/ > -- > > -- NFC-L List Info: Welcome and Basics � http://www.northeastbirding.com/NFC_WELCOME Rules and Information � http://www.northeastbirding.com/NFC_RULES Subscribe, Configuration and Leave � http://www.northeastbirding.com/NFC-L_SubscribeConfigurationLeave.htm Archives: The Mail Archive � http://firstname.lastname@example.org/maillist.html Surfbirds � http://www.surfbirds.com/birdingmail/Group/NFC-L Birding.ABA.Org � http://birding.aba.org/maillist/NFC Please submit your observations to eBird! ��http://ebird.org/content/ebird/ --