Discoveries in Patagonia
There were ground breaking discoveries made during the 1997 Expedition to Patagonia. The 1999 and 2002 trips were followup expeditions. You can read about them as they occurred by the participants including Spanish editions of Argentinian member's "write ups" of the 2002 expedition.
A better segway into these important pages will follow.
The nesting site, which dates from the late Cretaceous and is approximately 70 to 90 million years old, is located near Auca Mahuida, in the Patagonian badlands of Argentina..