Summary:

- The article discusses the discovery of a new species of giant tortoise on the Galápagos Islands, Chelonoidis donfaustoi, named after the late Fausto Llerena, a park ranger who dedicated his life to the conservation of the Galápagos tortoises.
- The new species is genetically distinct from the other Galápagos tortoise species and has been isolated on the island of Santa Cruz for thousands of years, highlighting the remarkable biodiversity of the Galápagos archipelago.
- The discovery underscores the importance of continued scientific exploration and conservation efforts in the Galápagos, as there may be more undiscovered species on the islands that are at risk of extinction due to human activities and environmental threats.