Thomas Holtz wrote- > In the "you learn something new everyday" category: > Norell, M.A., P. J. Makovicky & P.J. Currie. 2001. The beaks of ostrich > dinosaurs. Nature 412: 873-874. I can send the pdf to those who want it. The Psittacosaurus spine article refuses to save correctly, so I can't send that unfortunately. Mickey Mortimer