Scientist Report New Tortoise Species on Galapagos Islands

A tortoise, previously identified as Chelonoidis chathamensis and which corresponds genetically to a different species according to a study by scientists of the Galapagos National Park, is pictured on the island of San Cristobal, Galapagos Islands, Ecuado

A tortoise, previously identified as Chelonoidis chathamensis and which corresponds genetically to a different species according to a study by scientists of the Galapagos National Park, is pictured on the island of San Cristobal, Galapagos Islands, Ecuado

A tortoise, previously identified as Chelonoidis chathamensis and which corresponds genetically to a different species according to a study by scientists of the Galapagos National Park, is pictured on the island of San Cristobal, Galapagos Islands, Ecuado

Tortoises, previously identified as Chelonoidis chathamensis and which correspond genetically to a different species according to a study by scientists of the Galapagos National Park, are pictured on the island of San Cristobal, Galapagos Islands, Ecuador

Investigators measure tortoises during a census, on the island of San Cristobal, Galapagos Islands, Ecuador November 12, 2016. Picture taken November 12, 2016. Galapagos National Park/Handout via REUTERS