Cockatoos dropping rocks

To: CanberraBirds <>
Subject: Cockatoos dropping rocks
From: Matthew Willis <>
Date: Thu, 10 May 2018 11:14:52 +0000
A strange question...

A friend of mine is moving into a new apartment in Gungahlin with a big balcony. The building design means it extends much further than those above.

She came home the other day to find a smashed tile and a shattered rock nearby. She assumed it was dropped (accidentally or not) from one of the balconies above and asked the strata manager to investigate. Their reply read in part: 

"I have spoken to our facilities manager and he has said that it is surprisingly common for cockatoos to fly and drop rocks and that this has been the case with a few other complexes across Canberra".

Has anyone come across such behaviour among Canberran cockatoos?

Thank you!

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