Hi Keith
He/she would only get the "8 more ticks" if they had seen all 8
populations of the now split species.
This, I would think, would be quite reasonable.
Pete
-----Original Message-----
From:
On Behalf Of Keith Weekes
Sent: Wednesday, 27 June 2007 8:31 AM
To: Tim Murphy
Cc:
Subject: Re: New Clements book
So if a twitcher sees the antbird before it's split, I assume he gets 8
more
ticks in his lounge room the moment the split occurs.
After all, the ticks mean more than the genetics don't they? : )
On 27/06/07, Tim Murphy <> wrote:
>
> Apparently the Wrentit has never made it across the Columbia River.
>
> http://en.wikipedia.org/wiki/Wrentit It is odd that such a shy bird
should
> have all its relatives in Asia.
>
> Tim Murphy
>
> -----Original Message-----
> From:
> Behalf Of Chris Sanderson
> Sent: Tuesday, 26 June 2007 8:38 PM
> To:
> Cc:
> Subject: Re: [Birding-Aus] Re: New Clements book
>
>
> Hi Andrew,
>
> Wouldn't a 50-100m wide river be an awful risk for a poor-flying shy
> species
> known to not willingly cross paths let alone a river? It's not a case
of
> being incapable but unwilling I'd imagine? Don't know if this is the
real
> reason, but it sounds likely to me.
>
> Regards,
> Chris
>
> On 6/26/07, Andrew Taylor <> wrote:
> >
> > On Tue, Jun 26, 2007 at 05:51:31PM +1000, Murray Lord wrote:
> > > If you read the scientific literature you will find plenty of
> > > justification for recent splits.
> >
> > And there may be plenty to come. I was at a couple of recent talks
on
> > evolution in Amazonian birds which presented genetic data suggested
> rivers
> > may be more effective barriers to rainforest birds than you'd
expect.
> >
> > For one Antbird, based on limited genetic sampling, the
differentiation
> > was such that it looked as though it should be split into five
species.
> > And for another species, a 9-way split was conceivable. This isn't
a
> > matter of changing species definitions - it looked to me these would
> > be classical BSC species. The presenters didn't discuss this. They
> > were focused on evolutionary history, not species status.
> >
> > I don't understand how a 50-100m wide river acts as a such a
long-term
> > barrier and there is obviously a great deal of research to be done
> > but in the next decade or so expect a lot a splitting where birds
have
> > pan-Amazonian distribution
> >
> > Andrew
> > ===============================
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