dinosaur
"We know next to nothing about sex-linked traits in extinct dinosaurs."
The specimen is on display at the American Museum of Natural History.
Rare piece will be returned to the Mongolian government.
At least it didn't go to waste.
WHAT'S HAPPENING
Barney could give him a run for his money.
You had no idea that these prehistoric creatures had such sexy features.
And adds to the mystery of the evolution of flight.