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Yellow Tailed Black Cockatoo possible ring barking

from [Tony Lawson] [Permanent Link][Original]
To: kym bradley <>, COG Chatline <>
Subject: Yellow Tailed Black Cockatoo possible ring barking
From: Tony Lawson <>
Date: Fri, 29 Mar 2019 07:22:34 +0000
Hi Kim
 
YTBs do a lot of damage to trees, eg the allocasuarinas in the Arboretum.  They are trying to get at grubs that are in the trunk. We lost a lot of young trees because of that.
 
Tony
 
Sent: Friday, March 29, 2019 12:07 PM
Subject: [canberrabirds] Yellow Tailed Black Cockatoo possible ring barking
 
Male sat on the branch female continued to go around the tree

Wondering if she is in the early stages of  ring barking  to prevent goannas etc climbing to the nest as the tree is full of possible nest holes for future nesting  ?????????????????????


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