On Fri, Aug 15, 2008 at 05:07:00PM +0800, wrote:
> The call is a double note: chew, chew! Almost
> like that of a whipbird but without the lead up to the crack. It makes
> the double note and then stops for about 5-10 seconds and then makes
> the two notes again.
The double note is the female Whipbird contribution to the familiar
duet and you sometimes hear females calling without a male calling
(yellow robin is a very plausible too).
On the subject of duets, I'm at an acoustic communication conference where
Peter Slater - not the Australian field guide author, the UK biologist &
author of an excellent book on birdsong gave a keynote talk on duetting.
He talking mainly about duetting in the wren family (Troglodytidae)
ranging from simple to elaborate but he finished this is by saying
the most interesting work on function of duets was this work on an
Australian bird:
http://www.smh.com.au/news/science/no-larking-matter-a-duets-dire-precision/2007/06/04/1180809433923.html
Andrew
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