birding-aus

Corvid Behaviour

To: L&L Knight <>
Subject: Corvid Behaviour
From:
Date: Tue, 26 Aug 2008 11:18:20 +1000
I've seen similar behaviour to that being discussed with White-winged 
Choughs. I assumed it was some type of mating display when i saw it. 

Here's a photos i got of the display that might help people visualise 
whast being discussed here:
 
http://www.peterfuller.com.au/week/11062007.html

Peter





L&L Knight <> 
Sent by: 
25/08/2008 08:04 PM

To
Birding Aus <>
cc

Subject
[Birding-Aus] Corvid Behaviour






I was outside of my house the other day when I noticed a T. Crow at 
the back of a property across the street with its wings spread.  That 
was not something I could recall seeing before, so I popped inside to 
collect my binoculars.

I initially thought the bird was caught on something and hanging down, 
but it moved and I was able to see that it had both its wing and tail 
feathers fully spread - the effect reminded me a bit of the posture 
assumed by riflebirds.  It held that attitude for a few minutes before 
being approached by another crow and they both dropped out of sight.

Is that wing & tail spread position typical of corvid mating display 
behaviour?

Regards, Laurie.
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