How do scientists know if dinosaur fossils are male or female?


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  • Amalfi, Carmelo. "Tyrannosaurus Sex." Cosmos. 10/2005 (6/10/2008) http://www.cosmosmagazine.com/node/639
  • Atkinson, Nick W. "Sexy Necks." Natural History. Vol. 115 no. 9. November 2006.
  • BBC. "Eggs Found Inside Dinosaur Fossil." 4/15/2005 (6/10/2008) http://news.bbc.co.uk/nolpda/ukfs_news/hi/newsid_4446000/4446769.stm
  • Peake, Tracey. "Dinosaur Fossil Leads to Gender, Age Determinations." N.C. State University. 6/2/2005 (6/10/2008) http://www.ncsu.edu/news/press_releases/05_06/133.htm
  • Schweitzer, Mary H. et al. "Gender-specific Reproductive Tissue Ratites and Tyrannosaurus Rex." Science. 6/3/2005.
  • The Field Museum. "Sue at the Field Museum." (6/10/2008) http://www.fieldmuseum.org/SUE/