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

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

Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Geochelone elephantopus vandenburghi, Giant Tortoise Breeding Centre, Puerto Villamil, Isla Isabela, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Young Captive Galapagos giant tortoise (Geochelone elephantopus) being fed at the tortuguero breeding station, Puerto Villamil on Isabela Island in the Galapagos Island Archipelago, Ecuador

Tourists walk through the tortoise breeding areas of the Charles Darwin Research Station on Santa Cruz Island, Galapagos Islands, Ecuador