Alan Morris said: 
  I was surprised to see the comment by Peter
  Adderly today who said" By the number of dead baby birds lying around the
  streets of the Central Coast and the almost continuing cackling sounds I'd say
  we'll have a lot of Channel-bills this spring...". 
  As a resident of the Central Coast and a person
  who is out and about daily looking at birds, all I can say is I have neither
  heard a Channel-bill so far, nor seen any baby birds on the streets! Surely
  Peter Adderly is exaggerating! The actual action of a Channel-billed Cuckoo
  destroying/evicting eggs & young from Pied Currawaong nests, in order to
  make the host birds relay so that the cuckoos can synchonise their egg laying
  is rarely seen and most people would be totally oblivious to this activity.
  The first Central Coast Channel-billed Cuckoo was not noted until 8/9/01 at
  Empire Bay.  
My apologies for not stating the limits
of my observations and knowledge. 
I am not a birdo, although I have been an
interested observer for many years. 
I have been living opposite a recreational reserve
in Wyoming, just north of Gosford,  
for nearly thirty years. The reserve has large
stands of eucalypts, dense undergrowth, 
and is a seasonal home to many species including Whipbirds and Koels.  
I have been hearing a bird, which I believe to be a Channel-bill cuckoo,  
over the years for longer than I can remember, and
I have been hearing calls from 
this bird for at least two weeks now, at
regular intervals of 10-15 minutes during the day, all day. 
  
Here are some sound files recorded this 
afternoon: 
  
My (unverified) identification eventually came
after a neighbour brought to my attention 
three dead baby birds on her driveway. A local
nurseryman even described this bird as an eagle, 
due to its long "hooked"(?) beak. Thereafter I had
conversations with two (alleged) birdos  
who both described the action of the Channel-bill
babies in ejecting the young of the host. 
Last weekend, while delivering our residents'
association's newsletter, I saw at least  
six dead baby birds, all at the base of large
stands of eucalypts at different locations  
around Wyoming. Guilt by association,
perhaps? 
So, partly from anecdotal and suspected
incorrect information I have been  
trying to piece together what our cackling visitor is.   
I do not wish to make misleading
claims, nor do I
wish to exaggerate.  
My presence on this list is to learn more
about bird habits, habitats, and distribution. 
I hope the members of the list will forgive my
initial enthusiasm. 
  
Regards, 
Peter Adderley  
  
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