Thanks John! I found some recordings of that online and yes, that is exactly what it is. From: J Hay [mailto:jrh3d@xxxxxxxxxxx] Sent: Tuesday, August 05, 2014 1:07 AM To: Reese, Carol Subject: RE: [TN-Bird] lesser nighthawk? Dear Carol, Have you considered the "bouncing ball" tremolo of the Eastern Screech-Owl? John Hay Kingsport, TN (Sullivan Co.) ________________________________ From: jreese5@xxxxxxx<mailto:jreese5@xxxxxxx> To: tn-bird@xxxxxxxxxxxxx<mailto:tn-bird@xxxxxxxxxxxxx> Subject: [TN-Bird] lesser nighthawk? Date: Mon, 4 Aug 2014 15:45:52 +0000 Happened to be on a website concerned with nightjar research and conservation and clicked on the sound recordings to listen to the different nightjars. Here is the site: http://www.nightjars.org/learn I am fairly certain that I have been hearing the call described at the lesser nightjar's "toad like trill" in the evenings at my house in northern Henderson County. I often walk the dogs out onto the driveway and listen for the whippoorwills, and have on several occasions heard this trill, usually if I go out just as dusk turns into dark. In fact, thought to myself about the similarity of the call to American toad, but knew it was not, and thought about how it reminded me of the screech owl's whinny, but yet very different. Is there another bird that could make a sound like this? I see that it is not usually found in Tennessee. Could the call be a variation by the screech owl? cr "There are some who can live without wild things and some who cannot." - Aldo Leopold<http://www.goodreads.com/author/quotes/43828.Aldo_Leopold> Carol Reese Ornamental Horticulture Specialist -Western District University of Tennessee Extension Service 605 Airways Blvd. Jackson TN 38301 731 425 4767 email jreese5@xxxxxxx<mailto:jreese5@xxxxxxx>