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Archive for the ‘tyrannosaurs’ Category

The Discovery Channels in the UK and the US recently have aired documentaries called “Dino Gangs” that follow dinosaur paleontologist Philip Currie around the globe (Alberta, Mongolia, Indonesia, South Africa, Great Britain), including little Athens, Ohio, the home of Ohio University. “Dino Gangs” addresses Currie’s theory that tyrannosaurs hunted as cooperative, social packs. Phil and the film crew from Atlantic Productions were here to talk with me about my work with Ryan Ridgely on tyrannosaur brains and sensory capabilities…basically whether tyrannosaurs had the mental wherewithal to pull off pack hunting. Phil Currie and his collaborators have published a few articles that have alluded to the possibility of coordinated, social, pack hunting, mostly notably his 1998 article in Gaia. My goal here is neither to evaluate the nuances of his arguments (e.g., the taphonomic issues) nor to address the media hoopla from the folks at Atlantic, the same folks who brought us Darwinius  and Predator X (check out Brian Switek’s thoughtful response). My goal is simply to relate what went on here in Athens and to clarify how I think tyrannosaur neuroanatomy fits into the argument.

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Cover of the issue of the Journal of Vertebrate Paleontology in which our Tarbosaurus research is the Featured Article. It's open access and freely downloadable!

Really young animals are always interesting to scientists, because they often shake up long-held notions based on the better-known attributes of adults. Youngsters are doubly interesting to paleontologists because they’re so rare. So, when the beautifully preserved, almost complete skull of a young Tarbosaurus came into the lab, we knew we had an important specimen. It was brought to the WitmerLab in early 2007 by Takanobu Tsuihiji, who had joined us as a postdoctoral fellow in 2006. Taka had participated in the joint expedition to the Gobi Desert of Mongolia led by the Hayashibara Museum of Natural Sciences and the Mongolian Paleontological Center. The first of our studies on this specimen just appeared as the open-access Featured Article in the May 2011 issue of The Journal of Vertebrate Paleontology. Others, such as Brian Switek and Jaime Headden, have also blogged about this article, and so I’ll try to focus on more of the back story from an inside perspective. We provide more resources on our university site, as well as a photo album on our WitmerLab Facebook page. (more…)

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