Known as the Bayanshiree Formation, this area is a hotspot for dinosaur fossils, thanks to its arid conditions and layers of ...
Paleontologists discovered Duonychus tsogtbaatari from fossils uncovered in 2012. It was a giant, feathered creature adapted ...
The dinosaur, named Duonychus tsogtbaatari, measured about 10 feet (3 meters) long, weighed approximately 575 pounds (260 kg) ...