The size criterion is a hint that it is a 'good' species, as it breaks
Bergman's Rule (populations of a species in higher latitudes are larger).
Ditto Tasmanian Magpie?
John Leonard
On 11 June 2013 13:19, Jeff Davies <> wrote:
> G'day Peter,
>
> It's the combination of three or four features all in the one bird that
> suggest Tasmanian Boobook, yellow eyes, small white spotting surrounding
> the
> face and elsewhere if you could see it eg hindneck, and as John has said
> white markings in the belly presenting more as overlaid white circles with
> less of a tendency towards longitudinal shapes. Steve Clarke also felt that
> the bird looked particularly small, ssp leucopsis is over 10% smaller than
> ssp boobook.
>
> Cheers Jeff.
>
>
>
>
>
> -----Original Message-----
> From:
> On Behalf Of Peter Shute
> Sent: Tuesday, 11 June 2013 11:49 AM
> To: 'John Tongue'; 'Steve'
> Cc: 'Birding Aus'
> Subject: Re: [Birding-Aus] Possible Tasmanian Morepork in Victoria
>
> Apparently this winter dispersal is unproven, so it would be good to prove
> whether this bird really is of that type, regardless of whether it's split
> or not. What features tell you it looks like Tasmanian Boobooks, John?
>
> Peter Shute
>
> > -----Original Message-----
> > From:
> > On Behalf Of John
> > Tongue
> > Sent: Monday, 10 June 2013 7:28 PM
> > To: Steve
> > Cc: Birding Aus
> > Subject: Re: [Birding-Aus] Possible Tasmanian Morepork in Victoria
> >
> > Hi all,
> > I don't know enough about Boobook differentiation and movements. I
> > must say, I am still mystified about how Tasmanian Morepork could be
> > split from Aus Boobook, and then lumped with NZ and Norfolk Island
> > Morepork??
> >
> > However, Pizzey does talk of some winter dispersal of the Tasmanian
> > race of Boobook to the mainland, so it's possible that's what you
> > have. From the pic's, it certainly looks like Tassie birds I've seen.
> >
> > Cheers,
> > John Tongue
> > Ulverstone, Tas.
> >
> >
> > On 10/06/2013, at 6:56 PM, Steve wrote:
> >
> > > G'day all
> > >
> > > This owl has been roosting in my garden for 9 days now. My
> > wife Jenny and I took photos today and they can be seen at:
> > >
> > > https://www.flickr.com/photos/bukoba_steve/sets/72157634040230069/
> > >
> > > I believe this is a Tassy Morepork (Ninox novaeseelandiae
> > leucopsis) - recently split by the IOC from the Southern Boobook
> > (Ninox boobook). Others who have seen the photos have tended to agree
> > with me.
> > >
> > > Anyway - all comments welcome.
> > >
> > > Hopefully I'll get some shots from different angles but
> > this will be difficult if it stays in the same trees.
> > >
> > > Cheers
> > > Steve
> > >
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--
John Leonard
Canberra
Australia
www.jleonard.net
I want to be with the 9,999 other things.
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