What is the function of Channel-billed Cuckoo callingflights?

[Nikolas Haass <>]

I've seen 25 Yellow-billed Cuckoos together - albeit on a small island (Dry 
Tortugas) during migration.

Nikolas

 
----------------
Nikolas Haass

Sydney, NSW


________________________________
From: Peter Shute <>
To: 'Greg & Val Clancy' <>; 'Laurie Knight' 
<>; 'Birding Aus' <> 
Sent: Tuesday, December 6, 2011 8:28 AM
Subject: What is the function of Channel-billed Cuckoo callingflights?
 
What's the most CBCs you could expect to see in a flock? Do any other cuckoo 
species fly in flocks like that? 

Peter Shute 

> -----Original Message-----
> From:  
>  On Behalf Of 
> Greg & Val Clancy
> Sent: Tuesday, 6 December 2011 7:41 AM
> To: Laurie Knight; Birding Aus
> Subject: Re: [Birding-Aus] What is the function of 
> Channel-billed Cuckoo callingflights?
> 
> As they call at all times of the breeding cycle I would think 
> that the 
> suggestion that it is to 'pick up' immature birds would not 
> fully explain 
> why they call in flight.
> 
> Regards
> 
> Greg
> Dr Greg. P. Clancy
> Ecologist and Wildlife Guide
> Coutts Crossing
> NSW
> 
>