>From what I can see on the sonogram this looks more like Wyoming toad. The
>pulse rate is 50/sec for WY toad and 40 for Canadian toad. The Canadian toad
>also seems to vary song length from one song to the next a lot more than the
>unknown toad is doing.
So my speculation is Wyoming toad. Very cool if it is. Looks like someone needs
to go back there and verify what is going on.
Wil Hershberger
Nature Images and Sounds, LLC
Hedgesville, WV
The Songs of Insects
My Blog
On May 9, 2010, at 10:49 PM, Bernie Krause wrote:
> OK, folks. The toad reference mentioned earlier today (see text below)
> has been uploaded on the group sound bulletin board. Anyone who feels
> like weighing in on and ID, feel free... The toad (?) sound enters at
> about 7 seconds into the clip.
>
> While conducting a soundscape workshop at the Murie Center in the
> Teton valley (Jackson Hole, Wyoming) last June with Martyn Stewart and
> Kevin Colver, Martyn and I were recording at a nearby site when my
> equipment failed. Martyn, who was cataloguing his metadata a few weeks
> ago, happened to recognize within the biophonic tapestry of his
> recording, the sound of a toad that may be either the thought-to-be-
> extinct-in-the-wild Wyoming toad (Bufo baxteri), OR the Canadian toad
> (never found below the very northern most part of Montana...300 miles
> to the north), OR a new species altogether. This is the conclusion of
> a number of herpetologists, naturalists, and biologists, who have
> weighed in on the issue since Martyn brought it to my attention. I'm
> on the road at the moment, but will post the recording early tomorrow.
>
> If this turns out to be any one of those three possibilities, this
> will be pretty significant in the field. Now for the fun part.
>
> Bernie Krause
>
> Wild Sanctuary
> POB 536
> Glen Ellen, CA 95442
> 707-996-6677
> http://www.wildsanctuary.com
>
> Google Earth zooms: http://earth.wildsanctuary.com
> SKYPE: biophony
>
>
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