I do not know particular to frogs, but my husband says whenever his
roofing crew runs a saw, at the right time of the year, whomever is
running the saw is then beseiged with cicadas. Somehow the sound draws
them.
----------------------
Suzanne
http://web.tampabay.rr.com/swilli41/www
Florida, USA
"Never in the field of human conflict was so much owed by so many to so
few." - Sir Winston Churchill
--- In "davem98607" <>
wrote:
>
> I am not a biologist or nature recordist, but I do enjoy sound and
> make crude recordings with my camcorder every once in a while.
> Someday when time and budget allow I would like to get into it more.
>
> I recently recorded some Pacific Chorus Frogs (Pseudacris regilla) in
> my backyard pond (http://freesound.iua.upf.edu/packsViewSingle.php?
> id=3D2029). I used a simple binaural mic connected to a digital
> camcorder. I set the mics on the ground right at the edge of the
> pond, and let the camera record for 45 minutes.
>
> In listening to the recording I noticed that quite often the frogs
> seemed to begin their "chorus" when a distant sound began to increase
> in volume. e.g. from an airplane or train. I am guessing the frogs
> are trying to scare off the "competitor" - or was this just a
> coincidence?
>
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