[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

RE: Mesozoic roots of parrots and passerine birds



Yes.  Yes I do. ;)
Though I do find the name Eufalconimorphae terrible, especially for that clade.

Mickey Mortimer

----------------------------------------
> Date: Thu, 25 Aug 2011 12:35:26 +1000
> From: tijawi@gmail.com
> To: dinosaur@usc.edu
> Subject: Re: Mesozoic roots of parrots and passerine birds
>
> Hmmm.... does anyone truly believe that falcons are more closely
> related to parrots and songbirds than to buzzards and hawks?
>
>
>
>
> Cheers
>
> Tim
>
>
>
>
>
>
> On Wed, Aug 24, 2011 at 7:50 PM, <bh480@scn.org> wrote:
> > From: Ben Creisler
> > bh480@scn.org
> >
> > A new paper available for free that may interest the DML:
> >
> > Alexander Suh, Martin Paus, Martin Kiefmann, Gennady
> > Churakov, Franziska Anni Franke, Jürgen Brosius, Jan Ole
> > Kriegs & Jürgen Schmitz (2011)
> > Mesozoic retroposons reveal parrots as the closest living
> > relatives of passerine birds.
> > Nature Communications 2: 443
> > doi:10.1038/ncomms1448
> > http://www.nature.com/ncomms/journal/v2/n8/full/ncomms1448
> > .html
> >
> > The relationships of passerines (such as the well-studied
> > zebra finch) with non-passerine birds is one of the great
> > enigmas of avian phylogenetic research, because decades
> > of extensive morphological and molecular studies yielded
> > highly inconsistent results between and within data sets.
> > Here we show the first application of the virtually
> > homoplasy-free retroposon insertions to this controversy.
> > Our study examined ~200,000 retroposon-containing loci
> > from various avian genomes and retrieved 51 markers
> > resolving early bird phylogeny. Among these, we obtained
> > statistically significant evidence that parrots are the
> > closest and falcons the second-closest relatives of
> > passerines, together constituting the Psittacopasserae
> > and the Eufalconimorphae, respectively. Our new and
> > robust phylogenetic framework has substantial
> > implications for the interpretation of various
> > conclusions drawn from passerines as model organisms.
> > This includes insights of relevance to human
> > neuroscience, as vocal learning (that is, birdsong)
> > probably evolved in the psittacopasseran ancestor, >30
> > million years earlier than previously assumed.
> >
> >
> >