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Re: Metabolic underpinning of animal communication?

Subject: Re: Metabolic underpinning of animal communication?
From: "Doug Von Gausig" dougvg
Date: Thu Jan 7, 2010 8:53 pm ((PST))
At 07:20 PM 1/7/2010, you wrote:
>Interesting hypothesis!
>FTA: "Our results indicate that, for all species, basic features of acoustic
>communication are primarily controlled by individual metabolism, which in
>turn varies predictably with body size and temperature. So, when the calls
>are adjusted for an animal's size and temperature, they even sound alike."
>Not sure how to evaluate it, it would seem that there must be other
>contextual and environmental factors...

I have been presenting this as part of my talks on animal communication for 
many years. I play a song bird, slow it to various speeds and compare the 
result to a larger animal. Also, take a whale's songs and speed them up - 
sounds like a bird. Doesn't seem all that new nor radical to me. I have 
always assumed that the size of the animal places it in a temporal context 
defined by the speed of neural impulses (which travel at pretty constant 
rates, regardless of the animal).

To me, a hummingbird lives a very fast life, compared to us, and a whale 
lives a slowed-down version of reality. The speed of their vocalizations 
coincide closely with these temporal contexts.


Doug Von Gausig
Natural Sounds  and Photos at:
More Photos at:
Clarkdale, Central Arizona, USA

"While a picture is worth a thousand words, a 
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause

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