Corvid calls

To: Graeme Chapman <>
Subject: Corvid calls
From: Andy Burton <>
Date: Tue, 6 Oct 2015 03:21:24 +0000
Interesting Graeme. I haven’t finished the test yet but find the ‘growl’ calls 

I’m often intrigued when Atlasses show the Australian Raven as being the 
predominant bird across large parts of e.g.., NSW and when you visit some of 
these areas it is in fact the Little Raven that is the common species. I’m sure 
that there are other examples of this happening. I presume confusion exists on 
the NSW mid-north coast where Forest Ravens and Australian Ravens coexist. I 
suspect that the numbers of Forest Ravens have been understated.

Well done, Tom, great idea.


> On 6 Oct 2015, at 1:15 PM, Graeme Chapman <> 
> wrote:
> Hello Ian (Tom) and all,
> Your Corvid-Call Quiz is a step in the right direction and good fun but more 
> confusing than of help.  All our corvids have a wide repertoire, and it 
> didn't compare the equivalent calls of each species.  As you pointed out, it 
> omitted the New-England Raven and as you didn't point out, the Australian 
> Raven from Western Australia, a very different sounding bird.
> Pity you didn't contact me about the quiz, I could have helped as I probably 
> have the biggest collection of corvid calls in Australia, including New 
> England Ravens. Many of these calls are available on my website but the 
> number I can present is limited by space. I am always willing to help anyone 
> interested.
> Your comment about being confused by Forest Raven/Little Raven calls in 
> southern Victoria is an interesting one. There could be intermediates - 
> nobody knows. This is also discussed on my website under the text for Forest 
> Raven.
> Little Ravens vary a fair bit in size and also voice. The smaller birds from 
> the inland have the highest pitched voices and the bigger birds from alpine 
> areas have deeper (sounding more like Forest Raven ) calls. These alpine 
> birds do move down to the coastal regions in winter, so in places like Lakes 
> Entrance both species can occur, and identifying them by call is tricky to 
> say the least. 
> Regards
> Graeme Chapman.
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