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

Lots More Information

Related HowStuffWorks Articles

More Great Links


  • Amalfi, Carmelo. "Tyrannosaurus Sex." Cosmos. 10/2005 (6/10/2008)
  • 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)
  • Peake, Tracey. "Dinosaur Fossil Leads to Gender, Age Determinations." N.C. State University. 6/2/2005 (6/10/2008)
  • 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)