Andrew, et. al., I haven’t gone through all of my recording data from last night, but I have certainly observed what you are mentioning: significant thrush vocalizations in the minutes immediately leading up to the start of civil twilight. Often, after midnight, there are very few warbler calls and equally few during the thrush descent. Herons and bitterns seem to be vocal in the first three or four hours of the night, and then wane after that. I’m not sure what the cause or purpose is for this decrease in vocal activity in warblers after midnight.
Last night, there were hundreds of Swainson’s Thrushes and Rose-breasted Grosbeaks calling, tens of Gray-cheeked Thrushes with a single potential Bicknell’s Thrush candidate, a good handful of Wood Thrushes and Veeries in the mix. No Hermit Thrushes. A couple of Scarlet Tanager candidates. At least one American Bittern, two probable Least Bitterns (I’d like to discuss this later on NFC-L) and several Green Herons. Two American Woodcocks flew by shortly after the start of civil twilight, one stopping the wing twittering long enough to utter some very soft and gentle buzzy squeaks that I’ve never heard before, then continuing with the wing twittering. Also heard overnight were Ovenbirds, Black-throated Blue Warbler, Chestnut-sided Warblers, Savannah Sparrows, and many many unidentified interesting calls requiring much time I don’t have right now to compare and evaluate. Great Horned Owl and a local rooster were calling early this morning. A couple nights ago, I saw one of our Flying Squirrels feeding on the squirrel seed cakes out front, after returning home late from work. Last night was one of the more notable nights this migration season. Good night listening and birding! Sincerely, Chris T-H On Sep 19, 2014, at 10:33 AM, Andrew Albright <andrew.albri...@gmail.com<mailto:andrew.albri...@gmail.com>> wrote: Chris and Ken - thanks for the heads up. In upstate NY do you get more thrush calls in the 1-2 hrs before day break? We seem to down in the Mid-Atlantic (and fewer warblers). Here's my ebird report from listening this morning (29 minutes starting at 5:38). Is this the type of distribution you heard? Anyone else have data from last night/this morning? 2 Veery 6 Gray-cheeked Thrush 46 Swainson's Thrush <javascript:deleteObsWithIDNew('OBS272409077','Are%20you%20sure%20you%20want%20to%20delete%20these%20observations?\nOnce%20they%20are%20deleted%20they%20can%20never%20be%20restored.');> 11 Wood Thrush <javascript:deleteObsWithIDNew('OBS272409078','Are%20you%20sure%20you%20want%20to%20delete%20these%20observations?\nOnce%20they%20are%20deleted%20they%20can%20never%20be%20restored.');> 2 thrush sp. 6 warbler sp. 2 Chipping Sparrow 1 Swamp Sparrow On Fri, Sep 19, 2014 at 12:23 AM, Kenneth V. Rosenberg <k...@cornell.edu<mailto:k...@cornell.edu>> wrote: Just had about 200 thrushes (mostly Swainsons but also many Gray-cheeked and Wood Thrush) over my house in Northeast Ithaca in a 45 min count - also 12 Green Herons and an Am Bittern Ken Sent from my iPhone On Sep 18, 2014, at 9:41 PM, "Christopher T. Tessaglia-Hymes" <c...@cornell.edu<mailto:c...@cornell.edu>> wrote: Just a heads-up about a potential push of birds into this area overnight tonight... Begin forwarded message: From: "Christopher T. Tessaglia-Hymes" <c...@cornell.edu<mailto:c...@cornell.edu>> Subject: [nfc-l] Thursday: Night Flight in Northeast Date: September 18, 2014 at 9:38:18 PM EDT To: NFC-L <nf...@list.cornell.edu<mailto:nf...@list.cornell.edu>> Reply-To: "Christopher T. Tessaglia-Hymes" <c...@cornell.edu<mailto:c...@cornell.edu>> There is currently a fairly heavy liftoff going on in the Northeast and surrounding regions. The high pressure system situated North of Lake Ontario could make for a good push of birds down into the Northeast overnight tonight. If you can, keep your ears skyward! Sincerely, Chris T-H -- 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://www.mail-archive.com/nfc-l@cornell.edu/maillist.html> Surfbirds<http://www.surfbirds.com/birdingmail/Group/NFC-L> BirdingOnThe.Net<http://birdingonthe.net/mailinglists/NFCL.html> Please submit your observations to eBird<http://ebird.org/content/ebird/>! -- -- Christopher T. 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Tessaglia-Hymes Field Applications Engineer Bioacoustics Research Program, Cornell Lab of Ornithology 159 Sapsucker Woods Road, Ithaca, New York 14850 W: 607-254-2418<tel:607-254-2418> M: 607-351-5740<tel:607-351-5740> F: 607-254-1132<tel:607-254-1132> http://www.birds.cornell.edu/brp -- Cayugabirds-L List Info: http://www.NortheastBirding.com/CayugabirdsWELCOME http://www.NortheastBirding.com/CayugabirdsRULES http://www.NortheastBirding.com/CayugabirdsSubscribeConfigurationLeave.htm ARCHIVES: 1) http://www.mail-archive.com/cayugabirds-l@cornell.edu/maillist.html 2) http://www.surfbirds.com/birdingmail/Group/Cayugabirds 3) http://birdingonthe.net/mailinglists/CAYU.html Please submit your observations to eBird: http://ebird.org/content/ebird/ --
