But they WERE Ravens. :) Thanks for the local knowledge, Chris.
Rob Ostrowski
Bowie, MD
On Mon, Sep 17, 2012 at 3:21 PM, Chris Tonra <cm.tonra...> wrote:
> On Monday, September 17, 2012 2:39:55 PM UTC-4, Rob Ostrowski wrote:
> > While visiting the National Zoo for a friend's work event on Saturday, I
> was surprised to hear a Common Raven croaking from atop an oak tree near
> the seal tanks.I made a (bad) recording, using my cell phone and uploaded
> it here: http://soundcloud.com/pgbird85/common-raven-national
> >
> >
> > I marked the spots on the spectrogram when you can hear the Raven. The
> rest of the recording are the sounds of people enjoying the zoo.
> >
> > Rob Ostrowski
> > Bowie, MD
>
> Hi Rob, sorry to be a downer, but it is likely you were hearing the
> captive ravens on the America's Trail exhibit. There are 4 of them. They
> fooled me too when the zoo first acquired them...
>
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