After facing buffalo in long grass, relatives with long spears, a 3m. King
Brown crawling across my feet in the remote bush etc, I think I can cope
with you!
Leanyer Ponds are open. I wonder who it was that reported the crocodile?
Haven't been birding this week as I'm trying to arrange appointments for my
US trip next year.
Denise
on 8/2/08 10:15 AM, Tony Russell at wrote:
> I just knew you'd rise to the bait Denise. Touche.
>
> Any good birds about? And how's the access to Leanyer Ponds going?
>
> -----Original Message-----
> From: Denise Goodfellow
> Sent: Friday, February 08, 2008 11:19 AM
> To: Tony Russell; John Leonard; Birding Aus
> Subject: Re: [Birding-Aus] How do loudly calling birds not deafen
> themselves?
>
>
> I understand there's good research that shows men talk as much as women.
> The only difference appears to be that whereas men's talk is labelled a
> discussion, women's talk is considered "gossip". So, pull your head
> in,
> Tony!
>
>
> on 8/2/08 9:46 AM, Tony Russell at wrote:
>
>> Us blokes could do with something like this when the other half is
>> prattling on a bit too much.
>>
>> -----Original Message-----
>> From:
>> On Behalf Of John Leonard
>> Sent: Friday, February 08, 2008 8:38 AM
>> To: Birding-aus
>> Subject: Re: [Birding-Aus] How do loudly calling birds not deafen
>> themselves?
>>
>>
>> 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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>>> Version: 7.5.516 / Virus Database: 269.19.21/1263 - Release Date:
>>> 6/02/2008 8:14 PM
>>>
>>> www.birding-aus.org
>>> birding-aus.blogspot.com
>>>
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>>
>
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