birding-aus

Re: rainbow lorikeet removal in unwanted areas

To: Syd Curtis <>
Subject: Re: rainbow lorikeet removal in unwanted areas
From: John Tongue <>
Date: Mon, 23 Feb 2009 17:31:35 +1100
There is presently a study (PhD Thesis, I think) on the effects of Superb Lyrebird on Forest floor fauna being conducted through the University of Tasmania. I have not heard any results to date. Superb Lyrebirds are spreading from their two introduction points of Hastings Caves and Mt Field NP.

John Tongue
Ulverstone, Tas.


On 23/02/2009, at 3:53 PM, Syd Curtis wrote:


BTW, anyone know how the native fauna (vertebrate & in-) are coping with that other well-established introduced species - exotic vermin? :-) - the
Superb Lyrebird?

Syd


From: John Tongue <>
Date: Mon, 23 Feb 2009 13:15:37 +1100
To: "Mike Simpson" <>
Cc: 
Subject: Re: [Birding-Aus] Re: rainbow lorikeet removal in unwanted areas

Sure is going to be tough!  But the earlier we get started, the more
likelihood of success.

Tasmanian Museum and Art Gallery has two displays side by side - one
of Red Foxes, the other of a pair of Common Mynahs and their nest,
taken and destroyed at "The Bluff", Devonport (just about where such
birds hop off the ferry!).  So far, we don't have established
populations of either.

The Rainbow Lorikeets in Tassie are a bit "further gone", but
hopefully there may be a CHANCE of stopping them (or at least slowing
their advance). To get to the situation where Swift Parrots returning
to Tassie to breed are met with 10,000 to 15,000 resident Rainbow
Lorikeets does not bear thinking about!

John Tongue
Ulverstone, Tas.


On 23/02/2009, at 12:37 PM, Mike Simpson wrote:

I may be missing something here, but if 10 released individuals in
the 1960s
expanded to 15,000+ in 40 years, trying to control the species would
seem a
bit like 'Whistling in the wind'. You are never going to get back to
anything like a manageable figure.

The same expansion has happened here in the Sydney area with Long-
Billed and
Little Corellas. When I arrived in Sydney in the early 1970s,
according to
Simpson & Day, Long-Billed Corellas were restricted to western
Victoria and
parts of S.Aust, and Little Corellas were inland birds. Yet here 35
years
on, both Corellas are easily the most common birds in South Penrith.

People have tried to control Common Mynahs for years, yet recently,
I saw an
estimate that there are something like 200,000 around Sydney.

Here in Penrith, Rainbow Lorikeets are very common, but if attempts
were
made to control them, how would the 'controllers' catch/kill Rainbow
Lorikeets without also catching Swift Parrots, Scaley-Breasted,
Little and
Musk Loris, all of which are seen here from time to time?

Mike Simpson
South Penrith, NSW
http://members.optusnet.com.au/ozbirds.html



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