Hi Debbi,
Try listening to the Black-chinned Hummingbird display on my
Naturesongs.com site at http://tinyurl.com/ysmmcz - go to the last sample
under the first Black-chin paragraph - click on "sounds like this." Is it a=
similar sound?
Doug.
At 01:46 PM 2/25/2008, Debbi wrote:
>I was at a local park yesterday (Oakland CA), and heard the metallic
>wing buzz of a Selasphorus hummingbird (Allen's/Rufous). I did not hear
>the chupity-chup call, but I heard a sound that seemed to coincide with
>it flying by. I didn't see it as I didn't have my binocs with me, and
>unfortunately by the time I got over my surprise, it was too late to
>catch a recording. It only did that twice. The closest thing I can think
>of to describe it is somewhat of a softer, higher-pitched Common Loon.
>Cornell says they don't "sing", so could this be a tail sound and has
>anyone heard this? The only thing I could find that said anything about
>that is here:
><http://www.learner.org/jnorth/tm/humm/RufousOval.html.>http://www.learner=
.org/jnorth/tm/humm/RufousOval.html.
>
>Doug Von Gausig wrote:
> > This morning, while watching a single male Anna's Hummingbird feed whil=
e
> > perched at one of my feeders another male approached in an aggressive
> > manner at top speed. His trajectory was flat, not diving or pulling out=
of
> > a dive and he stopped suddenly immediately below the other male and as =
he
> > stopped, he made the "dive sound. I could see his tail flare at the sam=
e
> > instant, but of course could not tell if that flare caused the sound or=
if
> > it was simply used as a "brake."
> >
> > Lately I have been recording this sound outside my office using the mic
> > that always monitors the outdoors here, and I keep hearing two forms of=
> the
> > sound. One occurs with no "introduction" and the other is preceded by a
> > wing trill typical of the downward part of their dive. That trill proba=
bly
> > serves as an announcement to interloping males and to females that he i=
s
> > about to display and "beep" to get their attention. I am now trying to =
get
> > more visual observations of the behavior where he can "beep" without
> > diving. I still have never observed one "beeping" while perched.
> >
> > Doug
> > ***************************************
> > Doug Von Gausig
> > Natural Sounds and Photos at:
> > <http://naturesongs.com>http://naturesongs.com
> > More Photos at:
> > <http://www.criticaleyephoto.com>http://www.criticaleyephoto.com
> > Clarkdale, Central Arizona, USA
> > ***************************************
> >
> >
>
>--
>/Debbi Brusco/
>
*****************************************
Doug Von Gausig
http://www.naturesongs.com
Digital Sounds and Photos from Nature
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