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Re: New(?) things to make with recordings

Subject: Re: New(?) things to make with recordings
From: Dennis Hysom <>
Date: Tue, 12 Mar 2002 13:25:26 -0800
on 3/12/02 12:22 PM, [dhysom] at [compozarts.com] wrote:

Thanks Bernie.


> Nice recording, Dennis!
> 
> Bernie
> 
>> on 3/12/02 5:21 AM, [dhysom] at [compozarts.com] wrote:
>> 
>> Lang,
>> 
>> I have a lot of recordings of Coqui frogs from Puerto Rico. You can hear
>> one mp3 file at http://www.compozarts.com/coquis.mp3
>> 
>> Dennis
>> 
>> 
>> 
>>> Walt:
>>> 
>>> Do you by any chance have recordings of the Coqui?
>>> 
>>> Lang
>>> 
>>>> Marty Michener wrote:
>>>> 
>>>>> I completely agree and extend your suggestions to birds you usually
>>>>> hear in
>>>>> mixed flocks - as far as I know there is no software or sound products
>>>>> that
>>>>> enable learning this discrimination.  I recall Chan Ribbon, in 1957, next
>>>>> to about 700,000 mixed blackbird roosting (evening) population, explaining
>>>>> to me which sounds were the starlings (most), which the cowbirds and which
>>>>> (rarest) were Red-winged Blackbirds.  I was and am still amazed at this
>>>>> man, although there is a long impressive line ahead of me.
>>>> 
>>>> We tend to talk as if birds (or frogs) have a call. They have a vocabulary.
>>>> 
>>>>> Flocks especially noteworthy are roosting flocks and nesting colonies of
>>>>> swallows and herons.  I have a recording from Stone Harbor, NH in 1957 and
>>>>> I have no idea which of the 8 or so species visible make which sounds -
>>>>> except for the occasional gull.  This is a great point you make, Walt, I
>>>>> wish now Stone Harbor was in stereo.
>>>> 
>>>> I did not think it mattered much until I started recording in stereo.
>>>> Now I really don't want to record in mono.
>>>> 
>>>>> Of course frogs in general produce calls with the evolutionary idea of
>>>>> attracting adults of their species, whereas songbirds mostly use sound to
>>>>> repel their own kind.  Roosting bird sounds presumably are in the
>>>>> attracting department, like frogs.
>>>> 
>>>> Frogs have not only attracting calls, but territorial ones. Plus a few
>>>> others. You'd only have to spend a night here when the Cope's Grays are
>>>> calling to pick them up. They set out there squabbling over a few inches
>>>> on the edge of the half cask that's their favorite breeding spot. Some
>>>> nights there is more squabbling than calling for females. However, those
>>>> nights tend to produce the most eggs too. There's so much squabbling
>>>> because there are more of them and limited space.
>>>> 
>>>> Probably the classic example is the Coqui frog. It's call sounds like
>>>> it's name. And, in this case a single call is both. The Co part is the
>>>> territorial warning to other males, the qui is the attracting the female
>>>> part. And what's more, the hearing of these frogs is wired
>>>> appropriately, the males are more sensitive in the range of the Co, and
>>>> the females the qui.
>>>> 
>>>>> How would you classify the human noise at a football game?
>>>> 
>>>> Noise, definitely repelling. At a distance it's almost white noise.
>>>> 
>>>> Walt
>>>> 
>>>> 
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