birding-aus

new bird phylogeny

To: Birding-aus <>
Subject: new bird phylogeny
From: Andrew Taylor <>
Date: Sat, 28 Jun 2008 14:35:48 +1000
On Sat, Jun 28, 2008 at 08:51:20AM +1000, John Leonard wrote:
> I think this may just be careless writing, DNA can tell you about
> relationships and ancestry, but it can't tell you whether a bird is
> nocturnal or not without seeing the phenotype!

Given the topology of the phylogenetic tree they have inferred I see
three possibilities:

a) swifts/hummingbirds have a nocturnal ancestor
b) nocturnal adaptions arose multiple times among the caprimulgiformes
c) their tree is incorrect

(a) is suprising and (b) is unlikely but I don't understand how they can be
confident  that (c) isn't the case - but that may be my ignorance.

Andrew

<Prev in Thread] Current Thread [Next in Thread>
Admin

The University of NSW School of Computer and Engineering takes no responsibility for the contents of this archive. It is purely a compilation of material sent by many people to the birding-aus mailing list. It has not been checked for accuracy nor its content verified in any way. If you wish to get material removed from the archive or have other queries about the archive e-mail Andrew Taylor at this address: andrewt@cse.unsw.EDU.AU