Duck-billed dinosaurs roamed the Arctic in herds
Young and old hadrosaurs lived together, track site in Alaska suggests
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/07/mr_Denali-herd-mural-Courtesy-KAREN-CARR-ILLUSTRATION.jpg?fit=860%2C460&ssl=1)
HERD MENTALITY Duck-billed dinosaurs lived together in multigenerational herds in the Arctic, thousands of new tracks in Alaska suggest.
KAREN CARR ILLUSTRATION