Question about YTBC behaviour.

To: "Birding-aus (E-mail)" <>
Subject: Question about YTBC behaviour.
From: Lawrie Conole <>
Date: Tue, 23 Nov 2004 11:23:09 +1100
Michael Whitehead wrote:

While out at Matcham this morning I observed a Yellow-tailed Black Cockatoo chopping into the bark of an Acacia tree at about 1 metre above the ground. After seeing me the bird flew to another more distant Acacia and proceeded to start tearing strips of bark off higher branches. Can anyone shed any light on why they might do this?


They'll be looking for wood-boring grubs - something of a regular YTBC delicacy. They can make quite a mess of a rotten tree ...


Lawrie Conole
Senior Ecologist
Ornithology & Terrestrial Ecology

Ecology Australia Pty. Ltd.
Flora and Fauna Consultants
88B Station Street
FAIRFIELD VIC 3078 Australia
Ph: (03) 9489 4191; Mob: (0419) 588 993
Fax: (03) 9481 7679
ABN 83 006 757 142

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