[meteorite-list] Falling stones and birds...

[Mike Bandli]

I know for a fact that this is true having witnessed it myself. They do this
mistaking them for nuts (still in the shell). The rocks happen to resemble
the shape and color of a nut, so they will often drop them from high up
hoping that they will shatter. Crows are the main culprit. I have also seen
crows dropping rocks and walnuts onto the road, hoping that cars will run
them over and reveal the meaty interior. Smart creatures! Now if only we
could train some pigeons to go to NWA and hunt for dark colored 'Nuts' in
the sand...

Kind regards,
 
Mike Bandli
www.Astro-Artifacts.com
A Destination For Space Related Artifacts
 

-----Original Message-----
From: meteorite-list-bounces at meteoritecentral.com
[mailto:meteorite-list-bounces at meteoritecentral.com] On Behalf Of Martin
Altmann
Sent: Wednesday, November 08, 2006 5:52 PM
To: meteorite-list at meteoritecentral.com
Subject: [meteorite-list] Falling stones and birds...

Hola list,

I have a stupid question for the ornithologists.
Does it happen, that birds are throwing with stones?
At least once per year I get an email from people, who swear to have heard a
stone hitting the roof and rolling down,
recently again and the stone even should have had a red mark, where it hit
the tile. The stones are quite small, often round or egg-shaped.
I remembered an article years ago, reporting that a group of magpies caused
troubles in the Netherlands, frequently damaging parking cars in dropping
stones.
Can this story be true and if so, what are the reasons for such a behaviour?

Martin 


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