In always point sneezes directly at my partner. That way I make sure she
hears it and notices that I'm still alive.
-----Original Message-----
From:
On Behalf Of Evan Beaver
Sent: Friday, February 08, 2008 8:55 AM
Cc: Birding-aus
Subject: How do loudly calling birds not deafen
themselves?
I'm also guessing a bit, but it might be a question of direction of
projection. For example, I'm a renowned big sneezer, to the point that
my wife complains about the noise, but I notice very little noise. In
this case the pressure wave is travelling forward out of my head, away
from my ears.
EB
On 2/8/08, John Leonard <> wrote:
> Bats have a system whereby they don't listen when they're emitting
> their unltrasonic pulses, but in the intervals they listen again for
> the echoes (can't remember whether it's neurological or mechanical (ie
> closing their ears)).
>
> Although it isn't so critical for birds (they're not echo-locating)
> they may have some similar system.
>
> cheers
>
> John Leonard
>
> On 08/02/2008, Tania Ireton <> wrote:
> > A friend rang me last night to ask how loudly calling birds such as
> > Rainbow Lorikeets and Sulphur-crested Cockatoos not deafen
> > themselves with their screeching? She was reading a new book on
> > cicadas which said that cicadas are able to disconnect something in
> > their hearing so as to deaden the incoming sound before they started
> > calling themselves (I didn't get all the details). She wanted to
> > know how birds manage. Any ideas?
> >
> >
> >
> >
> >
> > Regards,
> > Tania
> >
> >
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> >
> > www.birding-aus.org
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>
> --
> John Leonard
> Canberra
> Australia
> www.jleonard.net
> ===============================
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--
Evan Beaver
Lapstone, Blue Mountains, NSW
lat=-33.77, lon=150.64
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