One time I wasn't sure of a bird song out west and thought I would play the song back from Merlin at the lowest possible volume and still cup it and hold near my ear.  I thought there's no way the bird was going to hear me, but it did. Since then I have never played Birdsong in the field.

Also, playing sounds of other wildlife could also be disruptive. For example, frog and toad calls.

Sent from my iPhone
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