Palaeontologists have discovered the remains of a 72 million-year-old dinosaur tail in a desert in northern Mexico.
The 16-foot tail was the first ever found in Mexico according to Francisco Aguilar, the director of the National Institute for Anthropology and History.
The team spent 20 days in the desert slowly lifting a sedimentary rock, before finding the 50 vertebrae of the tail completely intact.
The fossil was identified as a hadrosaur or a duck-billed dinosaur.
Palaeontologists said the tail probably made up half of the dinosaur's overall length.