Surely being proactive in places where numbers are still very low will at least
greatly delay their spread. And, as Philip Veerman mentioned, numbers have
been greatly reduced in the ACT, so the effectiveness of trapping, while
temporary, appears to be a bit better than your analogy.
If extinctions are inevitable because of the spread of Mynas, why not at least
delay them? Maybe in the meantime we'll come up with ways to stop them using
whatever resources they're using to spread. I've heard they follow the roads,
eating squashed bugs. Maybe something can be done about that.
The DPI's guideline for declaring them a pest, described below by Susan
Wisniewski, may be based on a reasonable expectation of what landownders will
be prepared to do. Enthusiastic volunteers may be prepared to do far more than
that.
Peter Shute
Carl Clifford wrote on Friday, 5 February 2010 12:32 PM:
> Well Said Susan. Trying to control such a well established avian pest
> species such as the Common Mynah, is rather like removing your hand
> from a bucket of water and expecting to see a hole where your hand
> was. A pity that retrospective culling of those whose bright idea it
> was to introduce the little darlings in the first place isn't
> possible. Could be worse is suppose. They could have imported House
> Crows.
>
> Cheers,
>
> Carl Clifford
> On 05/02/2010, at 12:12 PM, Fiona Anderson wrote:
>
>
> Hello Birders,
>
> I currently work in Pest Animal Management for the Department of
> Primary Industries here in Victoria and would like to provide you
> with some information on pest birds species in this State.
>
> Indian Mynas (Acridotheres tristis) have spread through eastern
> Australia since being introduced to control insect pests in the 1880s
> and have been naturalised in Victoria for many decades.
>
> They are not a declared pest animal under the Catchment and Land
> Protection Act 1994.
>
> Indian Mynas are not specifically protected by law, and therefore a
> person may capture and dispose of these birds by appropriate legal
> and humane methods.
>
> The Department of Primary Industries does not consider it reasonable
> to impose the lawful responsibility of control of Indian Mynas upon
> all landowners (including those in suburbia) when it is unlikely to
> result in the desired outcome of 'eradicate or control or prevent its
> spread in the wild' (the requirements that must be satisfied to be
> able to declare a species). There are no current plans to declare
> Indian Mynas as a pest animal under the Catchment and Land Protection
> Act 1994.
>
> Currently, the Department does not implement specific programs to
> control Indian Mynas as there are no practical means available for
> the broadscale control of these birds. Localised trapping may reduce
> numbers in the short term but would not make a significant difference
> to overall population due to rapidly recolonisation by birds moving
> in from other areas.
>
> Cheers,
> Susan
>
>
> ----------------------------------------------------
> Susan Wisniewski
>
> Project Officer - New and Emerging Species Invasive Plants and
> Animals Branch Biosecurity Victoria Department of Primary Industries
> Level 22, 1 Spring Street Melbourne 3000
>
>
>
>
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