Talbot made pictures of the stones and sought advice from Richard Swann Lull, an authoritative dinosaur expert.

The leading dinosaur expert of the time, Richard Owen, disagreed, claiming Archaeopteryx as the first bird outside dinosaur lineage.

He set Mr. Gingrich to work only a few feet away where the dinosaur experts had recently discovered parts of another animal of roughly equal size but another type.

As the dinosaur expert reflects: "Pound for pound, a velociraptor was the most rapacious dinosaur that ever lived.

And if Grant was out in the park, well ... what better person to get them safely through Jurassic Park than a dinosaur expert?

Anyway, after a year of no answer, all of a sudden this dinosaur expert wrote me back.

Mr. Caneer, who contends that there are more tracks, has begun a one-man campaign to delay the golf course until dinosaur experts can survey the entire area.

Dr. Mark A. Norell, one of the expedition's dinosaur experts, identified it as a Troodon and possibly one of the major finds.

Many paleontologists, especially dinosaur experts, contend that birds evolved directly from a group of agile bipedal dinosaurs known as theropods.

A slide show about dinosaurs with games and drawings by Bruce Laird, a dinosaur expert.