Khankhuuluu is a new T. rex dinosaur relative from Mongolia

Watch this video about Khankhuuluu mongoliensis, an ancestor of T. Rex. Video via the University of Calgary.

• Scientists have identified a new dinosaur species in Mongolia, Khankhuuluu mongoliensis, an early ancestor of T. rex.
• It lived around 90 to 83 million years ago and was smaller and nimbler than T. rex.
• The discovery helps fill a key evolutionary gap, showing how medium-sized tyrannosaurs evolved into apex predators like T. rex.

Khankhuuluu...