Ringbarking by Galahs

To: COG List <>
Subject: Ringbarking by Galahs
From: John Brannan <>
Date: Tue, 28 Jul 2015 01:14:38 +0000
Friends of mine showed me a photo the other day of a mature eucalypt (E. rossii 
from the look of it) that has been almost completely ringbarked over the last 
few weeks by a pair of Galahs. The ringbarking is mid-way up the main trunk and 
immediately below a hole they’ve been enlarging, presumably to use for nesting 
(but which is also being used by a possum).
Is this a common practice? Do we know their reasons for doing this?
(And no, I haven’t asked the Galahs myself.)
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