Fossil Treasure Trove Shows Complex Social Herd Behavior in Dinosaurs 193 Million Years Ago

Artistic reconstruction of a Mussaurus patagonicus nest. Credit: Jorge Gonzalez

Fossils indicate a communal nesting ground and adults who foraged and took care of the young as a herd, scientists say.
To borrow a line from the movie “Jurassic Park:” Dinosaurs do move in herds. And a new study shows that the prehistoric creatures lived in herds much earlier than previously thought.
In a paper appearing today (October 21, 2021) in Scientific Reports, researchers from MIT, Argentina, and South Africa detail their discovery of an exceptionally preserved group of early dinosaurs that shows signs of complex herd behavior as early as 193 million …