Wild Galapagos giant tortoise (Chelonoidis nigra) in Urbina Bay, Isabela Island, Galapagos Islands, Ecuador, South America

Wild Galapagos giant tortoise (Chelonoidis nigra) feeding on passion fruit in the highlands on Santa Cruz Island, Galapagos Islands, Ecuador, South America

Captive Galapagos giant tortoise (Chelonoidis nigra) at the Charles Darwin Research Station on Santa Cruz Island, Galapagos Islands, Ecuador, South America

Giant tortoise (Geochelone nigra) at the Galapaguera de Cerro Colorado, tortoise breeding center, Isla San Cristobal (San Cristobal Island), Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Galapagos Giant Tortoise, Chelonoidis nigra, Santa Cruz Island, Galapagos, Ecuador

Galapagos Giant Tortoise, Chelonoidis nigra, Santa Cruz Island, Galapagos, Ecuador

Wild Galapagos giant tortoise (Chelonoidis nigra) in Urbina Bay, Isabela Island, Galapagos Islands, Ecuador, South America

Giant tortoise (Geochelone nigra) at the Galapaguera de Cerro Colorado, tortoise breeding center, Isla San Cristobal (San Cristobal Island), Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Galapagos Giant Tortoise, Chelonoidis nigra, Santa Cruz Island, Galapagos, Ecuador

Galapagos Giant Tortoise, Chelonoidis nigra, Santa Cruz Island, Galapagos, Ecuador

Galapagos Giant Tortoise, Chelonoidis nigra, Santa Cruz Island, Galapagos, Ecuador

Galápagos tortoise or Galápagos giant tortoise (Geochelone nigra), adult feeding, Galapagos Islands, Pacific Ocean

Galápagos tortoise or Galápagos giant tortoise (Geochelone nigra), Galapagos Islands, Pacific Ocean

Galápagos tortoise or Galápagos giant tortoise (Geochelone nigra), adult, Galapagos Islands, Pacific Ocean

Portrait of Galapagos Giant Tortoise (Geochelone elephantopus) in the Charles Darwin Station in Puerto Ayora, Insel Santa Cruz, Galapagos Inseln, Galapagos Islands, Ecuador, South America

Galapagos giant tortoise (Chelonoidis nigra) lumbers slowly across a long, straight dirt road that stretches off to the horizon. Beyond the grass verge, there is dense forest on either side; Galapagos Islands, Ecuador

Galapagos giant tortoise (Chelonoidis nigra) lumbers slowly across a long, straight dirt road that stretches off to the horizon. Beyond the grass verge, there is dense forest on either side; Galapagos Islands, Ecuador

Galapagos Giant Tortoise (Chelonoidis Nigra) With Lizard On It's Shell, Galapagos Islands, Ecuador

Galapagos Giant Tortoise (Chelonoidis Nigra) Chewing Grass In Field, Galapagos Island, Ecuador

Galapagos Giant Tortoise (Chelonoidis Nigra) Walking On Gravel Path, Galapagos Islands, Ecuador

Close Up Of Galapagos Giant Tortoise (Chelonoidis Nigra) In Field, Galapagos Islands, Ecuador

Galapagos Giant Tortoise (Chelonoidis Nigra) Walking Through Sunlit Woods, Galapagos Islands, Ecuador

Giant tortoise (Chelonoidis nigra) are the largest living species of tortoise that can grow up to 880 pounds and reach more than 6 feet in length, Santa Cruz Island, Galapagos Islands, Ecuador

A giant Galapagos tortoise (Geochelone nigra) beds down for the night below a tree house at the Tortoise Farm on the island of Santa Cruz in the Galapagos Archipelago, Santa Cruz Island, Galapagos Islands, Ecuador