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Re: How Archaeopteryx specimens died and other news



From: Ben Creisler
bcreisler@gmail.com


After a bit more checking, I found a video for the Archaeopteryx
story. It shows how the experiments were conducted with an improvised
wind tunnel and rain simulation to see how two bird corpses behaved.
The video is in German.


http://www.3sat.de/mediathek/?mode=play&obj=39870

On Sat, Dec 14, 2013 at 1:36 PM, Ben Creisler <bcreisler@gmail.com> wrote:
> From: Ben Creisler
> bcreisler@gmail.com
>
>
> A number of recent news items:
>
>
> How Archaeopteryx specimens died
>
> In German:
> http://www.br.de/themen/wissen/archaeopteryx-urvogel-fossil-eichstaett-100.html
>
> Experiments done by the Geographical Institute of the University of
> Trier in Germany suggest that Archaeopteryx fossil specimens with
> intact feather impressions died in severe storms with heavy rain and
> high waves.  Strong winds blew the animals out over water and soaked
> their feathers with heavy rain. Waves pushed the animals under water
> and rain-soaked feathers caused the bodies to sink rapidly, preserving
> the body and feathers. The bodies did not float on the surface or rot
> before they sank and were covered in sediment. A special set of
> circumstances and events thus were needed to preserve Archaeopteryx
> with its feathers.
>
> The experiments were done with the bodies of two birds that were found
> dead (a hawfinch and a nuthatch, if I understand correctly), using a
> wind tunnel and water tank.
>
> Birds used:
> Kornbeißer = Bavarian name for Kernbeißer(?), if so, a hawfinch =
> Coccothraustes coccothraustes
> Kleiber = nuthatch = Sitta europaea
>
> ==
>
> In Spanish:
>
> Conference this next week in Madrid about giant Jurassic sauropods in
> Iberia (Portugal and Spain), to commemorate the Carnegie Diplodocus
> replica given to the National Museum of Natural Sciences in Madrid in
> 1913:
>
> http://godzillin.blogspot.com/2013/12/los-gigantes-del-jurasico-superior.html
>
>
> ==
> In English
>
> Thecodontosaurus model makes official debut in Bristol (I couldn't
> find a good photo of the entire model):
>
> http://www.bristol.ac.uk/news/2013/10020.html
>
>
> ===
>
> Danish Natural History Museum buys Diplodocus at auction
>
> Since the auction is over, it should be OK to mention this on the DML.
>
> The Danish Natural History Museum [Statens Naturhistoriske Museum] in
> Copenhagen bought the Diplodocus specimen "Misty" for a planned
> expansion of the museum, so it will be curated and available for
> scientific research.The specimen was dug up on private land in
> Wyoming, prepared in the Netherlands, and auctioned in Britain.
>
> http://cphpost.dk/news/massive-dinosaur-skeleton-coming-to-copenhagen.8060.html
>
> However, it now appears that the planned museum itself is on hold for
> lack of money, so the dinosaur may be mounted in existing facilities
> instead.
>
> In Danish:
>
> http://www.dr.dk/Nyheder/Viden/Naturvidenskab/2013/12/10100654.htm
>
> ===
>
> Mass extinctions podcast
>
> http://www.palaeocast.com/episode-23-mass-extinctions/#.UqyeO_RDv8t