I have an alternative solution to keep the twitchers happy. We leave the
House Crow alone and sink all the ships so no more arrive...
Regards,
Chris
On Tue, Apr 8, 2008 at 9:16 AM, Evan Beaver <> wrote:
> People are worried about a single bird because they are applying, and
> rightly so, the Precautionary Principle. It is hopelessly presumptive
> that that we know the location of all birds in Australia. How can we
> be sure there is only one House Crow? How can we be sure that this one
> bird doesn't represent a loophole in quarantine that could stop some
> forms of farming industry?
>
> The key is this: just because we don't know of any dangers, it does
> not imply that there aren't any. It is sensible to take precautions to
> manage risks, even unknown risks. The alternative, advocated by some
> here, is to assume everything will be alright and do nothing. I
> strongly disagree with this sentiment.
>
> EB
>
> On 4/7/08, Ed Parnell <> wrote:
> > Unless I'm missing an amazing fact about House Crow reproductive biology
> why
> > is it that people are worried about a single bird? Presumably it isn't
> > really a threat that needs taking care of unless it meets up with
> another
> > House Crow of the opposite sex?!
> >
> > Ed
> >
> >
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> --
> Evan Beaver
> Lapstone, Blue Mountains, NSW
> lat=-33.77, lon=150.64
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