I 'm wondering if anyone is aware of any instances i.e. if there is any precedent for the re-introduction of native bird species to isolated revegetated native urban parkland?
In particularly I'm thinking about the reintroducing of ground-dwelling species such as Superb Fairy-wren and White-browed Scrubwren which, unlike arboreal species, are unable to migrate into revegetated parkland due to the lack of an existing native corridor - specifically when the revegetation process involves developing complex native shrubslands, perfect habitat for these species.
Cheers,
Tim Dolby
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No I haven't, but have wondered about it for areas like along the Yarra where Wrens seem to have become quite patchy in where they are found now, despite continuous, but maybe unsuitable vegetation occurs.
> I 'm wondering if anyone is aware of any instances i.e. if there is any precedent for the re-introduction of native bird species to isolated revegetated native urban parkland?
> In particularly I'm thinking about the reintroducing of ground-dwelling species such as Superb Fairy-wren and White-browed Scrubwren which, unlike arboreal species, are unable to migrate into revegetated parkland due to the lack of an existing native corridor - specifically when the revegetation process involves developing complex native shrubslands, perfect habitat for these species.
> Cheers,
> Tim Dolby
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If the habitat is suitable and unnatural predators such as domestic cats and foxes are eliminated birds like White-browed Scrubwrens and Superb Fairy-wrens would probably make their own way to the site. Most birds, even poor fliers, can traverse areas of unsuitable habitat when migrating or dispersing. This often occurs at night.
Greg Dr Greg. P. Clancy Ecologist and Wildlife Guide Coutts Crossing NSW
----- Original Message ----- From: "Sonja Ross" <sonja.ro...@gmail.com> To: "Tim Dolby" <Tim.Do...@vu.edu.au>; <birding-...@vicnet.net.au> Sent: Tuesday, January 31, 2012 12:26 PM Subject: Re: [Birding-Aus] Re-introduction of growd-dwelling native
birdspecies to revegetated urban parkland
> Hi Tim,
> No I haven't, but have wondered about it for areas like along the Yarra > where Wrens seem to have become quite patchy in where they are found now, > despite continuous, but maybe unsuitable vegetation occurs.
> Sonja
> On 31/01/2012, at 12:10 PM, Tim Dolby wrote:
>> Hi all,
>> I 'm wondering if anyone is aware of any instances i.e. if there is any >> precedent for the re-introduction of native bird species to isolated >> revegetated native urban parkland?
>> In particularly I'm thinking about the reintroducing of ground-dwelling >> species such as Superb Fairy-wren and White-browed Scrubwren which, >> unlike arboreal species, are unable to migrate into revegetated parkland >> due to the lack of an existing native corridor - specifically when the >> revegetation process involves developing complex native shrubslands, >> perfect habitat for these species.
>> Cheers,
>> Tim Dolby
>> This email, including any attachment, is intended solely for the use of >> the intended recipient. It is confidential and may contain personal >> information or be subject to legal professional privilege. If you are not >> the intended recipient any use, disclosure, reproduction or storage of it >> is unauthorised. If you have received this email in error, please advise >> the sender via return email and delete it from your system immediately. >> Victoria University does not warrant that this email is free from viruses >> or defects and accepts no liability for any damage caused by such viruses >> or defects. >> ===============================
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My unpublished study on White-browed Scrub-wrens showed that in East Melbourne they mostly used Blackberries for protection and food production. They spent 2nd most time in Goodenia. While we were planting out natives in Wurundjeri Walk, I asked Council to not clear the blackberries until the native plants had regenerated enough. They held off for 5 years then sprayed the blackberries while the Superb Fairy-wrens were nesting in them. I returned from PNG to see this predicament just before the Fairy-wrens and Scrub-wrens died out.
The natives have now grown but are still a bit patchy for small birds, and occasionally I see Scrub-wrens, (they are able to live in and move through peoples yards) but neither species has taken hold again. Brown Thornbills which were not here before have taken over - but cats and foxes are a problem to any bird that spend much of their time low to the ground. The aggressive native birds have increased and they can also be a problem.
I guess the message is get the "bush thick and continuous" and see if the birds bring themselves back, if not they try re-introduction after the cats and foxes have been dealt with.
Cheers
Mike =================== Michael Tarburton tarburto...@optusnet.com.au ===================
> I 'm wondering if anyone is aware of any instances i.e. if there is > any precedent for the re-introduction of native bird species to > isolated revegetated native urban parkland?
> In particularly I'm thinking about the reintroducing of ground- > dwelling species such as Superb Fairy-wren and White-browed > Scrubwren which, unlike arboreal species, are unable to migrate > into revegetated parkland due to the lack of an existing native > corridor - specifically when the revegetation process involves > developing complex native shrubslands, perfect habitat for these > species.
> Cheers,
> Tim Dolby
> This email, including any attachment, is intended solely for the > use of the intended recipient. It is confidential and may contain > personal information or be subject to legal professional privilege. > If you are not the intended recipient any use, disclosure, > reproduction or storage of it is unauthorised. If you have received > this email in error, please advise the sender via return email and > delete it from your system immediately. Victoria University does > not warrant that this email is free from viruses or defects and > accepts no liability for any damage caused by such viruses or defects. > ===============================
> To unsubscribe from this mailing list, > send the message: > unsubscribe > (in the body of the message, with no Subject line) > to: birding-aus-requ...@vicnet.net.au
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