Perhaps they were American Toads. Long, extended musical trill.
Vermont Center for Ecostudies
PO Box 420
Norwich, VT 05055
20 Palmer CT
White River Junction, VT 05001
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On 5/12/2016 12:00 AM, VTBIRD automatic digest system wrote:
> Date: Wed, 11 May 2016 09:12:12 -0400
> From: Carol R Heffer<[log in to unmask]>
> Subject: Identification question
> I was walking in Symanski Park Monday morning and heard a sound I at first thought was a small machine. I realized it was a bird trilling. It was joined by a second at a lower pitch. It went on for a long time. I tried to find it on my Merlin app, to no avail. Anyone know what it might be?