Another puzzling thing is that it was imitating the call of the Mississippi Kite - a very good "PIT-tooooooooooo"! I've never heard anything like it before. It was very clear, albeit with a little "smaller" sound as if the volume was turned down a bit.
If you have any insight as to these mysteries, please post here or Email me (at the address on the photo) and let me know.
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