Maybe that is it. Sounds similar though the call went on for a much longer time than any of the recorded calls I heard. But thank you. A colleague also suggested the chipping sparrow.
Sent from my iPad
> On May 11, 2016, at 10:35 AM, Miriam Lawrence <[log in to unmask]> wrote:
> Carol, hard to tell from your description, but Chipping Sparrows have a
> very steady, long, almost mechanical trill, and I find sometimes it sounds
> a bit robotic/metallic. Could that have been it?
> -Miriam Lawrence
>> On Wed, May 11, 2016 at 9:12 AM, Carol R Heffer <[log in to unmask]> wrote:
>> 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?
>> Sent from my iPad
> Miriam Lawrence
> [log in to unmask]
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