Interview with Dr. Anthony J. Martin, author of Dinosaurs Without Bones, which details the day to day lives of dinosaurs by studying ichnology (the study of traces such as footprints or burrows rather than fossilized bones).
Also, dinosaur of the day Oryctodromeus, a dinosaur that burrowed.
Visit http://www.IknowDino.com for more information including a link to dinosaur sites near you.