birding-aus

Question...

To: "'Mike Carter'" <>, "'John Garvin'" <>
Subject: Question...
From: "Philip Veerman" <>
Date: Mon, 30 Aug 2010 18:17:06 +1000
I have seen film of the same behaviour of a captive bird but I think at
the Alice Springs zoo or whatever it is called. Rather than use real
eggs, it is performed with a fake egg and after breaking it, there was a
dead mouse or something similar inside.

Philip

-----Original Message-----
From: 
 On Behalf Of Mike Carter
Sent: Monday, 30 August 2010 5:06 PM  To: Chris Sanderson; John Garvin
Cc:   Subject: Re: [Birding-Aus] Question...


Part of the Healesville Sanctuary (in Victoria) raptor flight display
which 
I saw in April 2009 included a demonstration of a Black-breasted Buzzard

breaking eggs with stones. We were assured that this was a natural habit
of 
the species, not something taught whilst in captivity. I was so
gob-smacked 
that though that was only 16 months ago I can't quite remember precisely
how 
it was done! IF I recall correctly, the bird held a large stone/small
rock 
in its bill which it then hurled at the egg from a standing or jumping 
position. If it missed or the egg was only cracked, not broken, it
collected 
the rock and had a second or third attempt!

Mike Carter
30 Canadian Bay Road
Mount Eliza  VIC 3930
Tel  (03) 9787 7136


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