From Global News.

Scientists have discovered one of the world’s smallest known dinosaurs in Argentina’s Patagonia region, where massive species like the eight-ton Giganotosaurus and the 70-ton Argentinosaurus once roamed 95 million years ago.

The newly described fossil, named Alnashetri cerropoliciensis and nicknamed “Alna,” was about crow-sized and weighed approximately 0.7 kilograms. The well-preserved skeleton shows the dinosaur probably hunted small animals such as lizards, snakes, mammals and invertebrates.

Alna was a nearly fully grown, four-year-old female that lived in a desert environment. After death, her body was quickly covered by a sand dune, accounting for the exceptional preservation that allowed researchers to conduct detailed microscopic bone studies.

"Alnashetri is an adult dinosaur, about the size of a chicken or a crow," said paleontologist Alberto Apesteguia.

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