Cockatoos will carry around and drop fruits (apples, apricots, pine cones, etc)
but I don't know about rocks. Not to mention Cockatoos biting off Eucalypt
branches to form a mess of broken branches below. Several times early this year
I had apricots dropped on the car, parked in my yard (there is no apricot tree
near here). Ravens are well known for picking up carrying around (and
presumably dropping) golf balls. Whether birds would do this for something
heavy enough to break a tile I wouldn't know but that also depends on the
height from which it was dropped.
Philip
-----Original Message-----From: Graeme Clifton
Sent: Thursday, 10 May, 2018 9:41 PM
To: Matthew Willis
Cc: CanberraBirds
Subject: Cockatoos dropping rocks
Hi Matthew,
Sounds like a “wind up” to me.
Graeme
Sent from my iPad
> On 10 May 2018, at 9:14 pm, Matthew Willis <> wrote:
>
> 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!
>
> Matthew
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