A rare Patagonian rodent known as the colonial tuco-tuco fascinates biologists because it seems to defy all odds. Now Stanford University researchers are using DNA extracted from ancient teeth ...

A rare Patagonian rodent known as the colonial tuco-tuco fascinates biologists because it seems to defy all odds. Now Stanford University researchers are using DNA extracted from ancient teeth ...

Researchers working in Bolivia recently discovered four new species of tuco-tuco, a small, gopher-like rodent named for its distinct vocalizations. Previously, scientists thought only eight ...

Researchers working in Bolivia recently discovered four new species of tuco-tuco, a small, gopher-like rodent named for its distinct vocalizations. Previously, scientists thought only eight ...

Tuco-tucos live underground, in extensive networks of burrows, used for nesting and storing food. The rodents are typically between 7 and 12 inches (18 to 30 centimeters) ...

A rare rodent that should, by rights, be extinct has given scientists an insight into the role of social behaviour in the survival of species, writes Roger Highfield. A toothy rodent that lives in ...