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Aw: RE: Arboreal Theropods: The prize at the bottom of the cracker jack box
Gesendet: Sonntag, 21. Juli 2013 um 18:45 Uhr
Von: "Jason Brougham" <email@example.com>
An: "firstname.lastname@example.org" <email@example.com>, "firstname.lastname@example.org"@listproc.usc.edu
> To further enrich this productive and interesting discussion, I submit the
> The smallest extant flightless bird in the world, Inaccessible [Island] Rail
> (Atlantisia rogersi), masses 34 - 49 grams, and hatches at 7.8 grams.
> According to Taylor, B. (1998) Rails, Yale University Press, these birds
> inhabit all vegetation types at all altitudes but are most numerous in
> coastal tussock grass Spartina and sedges Carex. It also occurs in Phylica
> "All ages of birds climb freely in Phylica and tussock grass to a height of
> 1.5 m, flapping the wings to aid balance and probably using the well -
> developed wing-claw."
> So, another report of a tiny winged theropod that is a quadrupedal climber.
...on a predator-free, competition-free island, where everything that's not
anatomically impossible is hardly selected against. So, in case you want to
extrapolate from this, be careful.
Interesting about the wing claw, though.