birding-aus
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To: | "Zimmerman-Clough family" <> |
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Subject: | in defence of introduced species |
From: | "Chris Sanderson" <> |
Date: | Mon, 6 Mar 2006 13:42:11 +1000 |
Hi Limosa,
I'd have to disagree with what you say - just because we cannot get rid of every one doesn't mean that an effective control program wouldn't be a good idea. The problem is that for any control program to be effective, you can't just kill the birds - you have to address the reason why they succeeded in a location in the first place. For most suburban areas that means getting people to seal up cracks in rooves and guttering that are acting as nesting hollows.
While animals like foxes are a problem in many places in Australia, in areas where high conservation value is threatened a control program can actually hold them back well enough to allow birds (such as the Noisy Scrub-bird in SW WA) to continue to exist while we try and find a better solution.
Common Mynahs are becoming a worse problem in my area each year (I currently have over 100 living in a 1km area), and I can see the day when they are so entrenched that there will be no breeding by any hollow-nesting birds in the area that aren't Mynahs. Since these are mostly parrots, the effects of this wouldn't be noticed for 30 years or more.
Personally I'm watching the trials of the Mynah traps from ANU in Toowoomba and Cairns with a great deal of interest. If they work in a variety of environments then they could be a real boon to protecting specific areas, even though as you say we are unlikely to ever be rid of them entirely.
Regards,
Chris Brisbane, QLD
On 3/7/06, Zimmerman-Clough family <> wrote:
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