new bird phylogeny

To:
Subject:	new bird phylogeny
From:	Andrew Taylor <>
Date:	Fri, 27 Jun 2008 22:37:13 +1000

On Fri, Jun 27, 2008 at 05:21:39PM +1000, John Leonard wrote:
> The business about the Tinamous is puzzling, but the
> hummingbird/nightjar link could be explained by having their common
> ancestor a diurnal bird, nightjars then later becoming nocturnal as
> the hummingbirds became specialised for nectar feeding.

The paper (abstract) definitely says a nocturnal ancestor but one of
the authors posting on USENET (linked below) says probably crepuscular.
http://groups.google.com/group/talk.origins/browse_thread/thread/c013b4b1e2944489

Interestingly this 2006 paper also says a nocturnal ancestor for
hummingbirds/swifts  - not sure how independent their data is:
http://www.senckenberg.de/files/content/forschung/abteilung/terrzool/ornithologie/neoaves.pdf

Andrew

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