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Re: New(?) things to make with recordings

Subject: Re: New(?) things to make with recordings
From: Lang Elliott <>
Date: Tue, 12 Mar 2002 13:25:09 -0500
Bernie:

Good to hear you have the recording. I will probably need to use it next
winter when I'm putting together my frog and toad book/CD. Is your recording
of an individual upclose, or a chorus?

Lang

> I have one, Lang. We named it Coqui St. Jacques.
> 
> Bernie
> 
>> 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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