Hi Kevin, Walt,
I just listened the Death Valley clips and I heard a hummingbird around wal=
t's
recording site (wing beating in clip 2 at first 15 seconds and I think in c=
lip 3
too). Kevin, do you think is possible for the hummingbird (passing at high-
speed) to make that sound?
I don't know. I'm just asking because I detect him around.
Otherwise, I don't think it was a raven but, maybe a raptor not seen?
Antonio Celis
--- In Kevin J. Colver <>
wrote:
> Walt,
> I replied to Rich before reading this post. If a small bird flew close
> enough to the mic it could have sounded like a flying dinosaur going by.
>
> I believe the croaking sound you refer to was the pre-dawn song of
> Ash-throated Flycatcher usually heard in the 30-60 minutes before
> sunrise in the spring. Unfortunately the sound posted on enature.com
> doesn't reflect this but a fair example is on my Stokes Guide to
> Western Bird Songs. I have other longer versions in my personal
> collection.
>
> Kevin
>
>
>
> On Saturday, July 9, 2005, at 04:15 PM, Walter Knapp wrote:
>
> > From: Kevin J. Colver <>
> >
> > >
> > > Walt,
> > >
> > > Here's my take on the birds:
> > >
> > > C1=A0 Black-throated Sparrow, Ash-throated flycatcher dawn song,
> > distant
> > > Rock Wren, ?Raven flyby
> > > C2=A0 House Finch song, Black-throated Sparrow song, Mourning Dove,
> > Rock
> > > Wren in distance, crickets
> > > C3=A0 Black-throated Sparrow, Mourning Dove, House Finch calls of gro=
up
> > > or flock, Brown-headed Cowbird in distance
> > > C4=A0 many House Finch calls, Mourning Dove, distant Say's Phoebe
> > > C5=A0 House Finch calls again, distant Say's Phoebe, Black-throated
> > > Sparrow, Mourning Dove.
> >
> > Thanks lots. Just a few things.
> >
> > I happened to be looking in the direction of the SASS when that flyby
> > occurred. There were lots of flyby sounds, but only a couple were that
> > loud. There were just smaller birds in the mix, I did not catch what
> > bird made the sound, but think sparrow size or not much bigger. Not a
> > Raven for sure. Obviously someone in a hurry to be first in line at the
> > water...
> >
> > The area is abandoned as far as the mines. From the condition of things
> > I'd say it's a long time ago. It's essentially wild country now, though
> > disturbed in the past, and a very long ways to any buildings or such.
> > As
> > you can see in the photos it's also treeless and rocky. With that in
> > mind, what are all the House Finches doing? I did not see any of them
> > in
> > the birds I saw in the area. There were lots of birds around.
> >
> > In the C1 clip there are a few calls that sound kind of frog/toad like.
> > Not something I know. They are single calls, and were only given for
> > about the first half hour of my recording session.
> >
> > > Always fun to give it a shot, thank you for sharing your sounds!
> >
> > I'll have some more from other places soon.
> >
> > Walt
> >
> >
> >
> >
> > "Microphones are not ears,
> > Loudspeakers are not birds,
> > A listening room is not nature."
> > Klas Strandberg
> >
> >
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> >
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>
> [Non-text portions of this message have been removed]
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