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More on Tyrannosaurus

New Evidence That T. Rex Was Hunter, Not Scavenger

In case this paper have not been mentioned yet: 

C. Carbone, S. T. Turvey, J. Bielby. Intra-guild competition and its 
implications for one of the biggest terrestrial predators, Tyrannosaurus rex . 
Proceedings of the Royal Society B: Biological Sciences , 2011; DOI: 


"The occurrence of Jurassic land and coastal sediments in western Cuba is 
well-known, but despite many years of search with Juan Gallardo and other 
coleagues, no other than the specimen found by Carlos de la Torre early last 
century show up. We dis look for dinosaurs bones in Puerto Rico, Hispaniola and 
Cuba during several field seasons, but again a s yet, this search has been 
unsuccessful, perhaps because rocks of late Cretaceous age are strongly 
weathered and the potential bones are hard to find on the surface. But I will 
continue to search." 

Manuel A. Iturralde-Vinent, en National Geographic, 2002