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Tyrannosaurs may have lived in packs similar to wolves, Colorado researchers digging in mass quarry site say

By Sophia Eppolito, The Associated Press/Report for America SALT LAKE CITY — Ferocious tyrannosaur dinosaurs may not have been solitary predators as long envisioned, but more like social carnivores such as wolves, new research unveiled Monday found. Paleontologists developed the theory while studying a mass tyrannosaur death site found seven years ago in the Grand […]