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Fw: Theropod vs. synapsid: golden eagle kills sika deer in Russia



From: Jura <pristichampsus@yahoo.com>
To: "dinosaur@usc.edu" <dinosaur@usc.edu> 
Sent: Tuesday, 24 September 2013 12:34 AM
Subject: Re: Theropod vs. synapsid: golden eagle kills sika deer in Russia
 




 I'd argue that they probably represent typical behaviour more than atypical 
just due to the sheer rarity of fossilization. 

Jason



________________________________
>> From: Dann Pigdon <dannj@alphalink.com.au>
>>To: dinosaur@usc.edu 
>>Sent: Monday, 23 September 2013 6:27 PM
>>Subject: Re: Theropod vs. synapsid: golden eagle kills sika deer in Russia
>> 
>>
>>
>>Golden eagles usually only resort to tackling such risky large prey during 
>>the winter, when smaller 
>>prey become scarce. If given a choice, they'd much rather be tackling 
>>something smaller and less 
>>risky (as would any carnivore).
>>
>>It makes you wonder whether some of the predator/prey associations infered 
>>from the fossil record 
>>(Deinonychus/Tenontosaurus, Velociraptor/Protoceratops, etc) represent 
>>typical behaviour, or 
>>whether they represent rare occurances born out of occasional desperation.
>>
>>
>>On Tue, Sep 24th, 2013 at 6:23 AM, Ben Creisler <bcreisler@gmail.com> wrote:
>>
>>> From: Ben Creisler
>>> bcreisler@gmail.com
>>> 
>>> Never underestimate paravian theropods!
>>> 
>>> Linda L. Kerley (2013)
>>> First Documented Predation of Sika Deer (Cervus nippon) by Golden
>>> Eagle (Aquila chrysaetos) in Russian Far East.
>>> Journal of Raptor Research 47(3):328-330. 2013
>>> doi: http://dx.doi.org/10.3356/JRR-12-00008.1
>>> http://www.bioone.org/doi/abs/10.3356/JRR-12-00008.1?journalCode=rapt
>>> 
>>> 
>>> News story with photos:
>>> 
>>> 
>>> http://www.natureworldnews.com/articles/4111/20130923/eagle-vs-deer-rare-images-caught-
>>camera.htm
>>
>>-- 
>>_____________________________________________________________
>>
>>Dann Pigdon
>>Spatial Data Analyst               Australian Dinosaurs
>>Melbourne, Australia              http://home.alphalink.com.au/~dannj
>>_____________________________________________________________
>>
>>
>>
>>
>