In a message dated 12/24/2006 4:55:12 PM Eastern Standard Time, david.marjanovic@gmx.at writes: << ... and Maastrichtian dromaeosaur tracks from Las Aguilas. The latter are not only deep, probably recording a lot of movement, but also huge -- they hint at an animal with 3 m hip height and some 12 m length. >> How did they discern that they were dromaeosaur tracks? DV