Pete Oxford / Saddleback form of Galapagos Giant Tortoise (Chelonoidis nigra) walking, Wolf Volcano, Isabela Island, Galapagos
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Pete Oxford / Galapagos Giant Tortoise (Geochelone elephantophus / Chelonoidis nigra) head portrait, Charles Darwin Research Station. Puerto Ayora,Santa Cruz Island, Galapagos, endemic
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Pete Oxford / Galapagos Giant Tortoise (Geochelone elephantophus vandenburghi) near fumaroles, Alcedo Volcano crater floor, Isabela Island, Galapagos Islands
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John Abbott / Galapagos giant tortoise (Chelonoidis nigra porteri) feeding, Mariposa Ranch on Santa Cruz Island, Galapagos
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Ole Jorgen Liodden / Galapagos Giant Tortoise (Chelonoidis nigra). Galapagos
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Pete Oxford / Saddleback form of Galapagos Giant Tortoise (Chelonoidis nigra) Wolf Volcano, Isabela Island, Galapagos
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Pete Oxford / Baby Galapagos Giant Tortoise (Chelonoidis nigra) in habitat, Wolf Volcano, Isabela Island, Galapagos
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Pete Oxford / Egg of Galapagos Giant Tortoise (Chelonoidis nigra) Wolf Volcano, Isabela Island, Galapagos
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Pete Oxford / Egg of Galapagos Giant Tortoise (Chelonoidis nigra) Wolf Volcano, Isabela Island, Galapagos
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Pete Oxford / Intermediate form of Galapagos Giant Tortoise (Chelonoidis nigra) Wolf Volcano, Isabela Island, Galapagos
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Pete Oxford / Intermediate form of Galapagos Giant Tortoise (Chelonoidis nigra) Wolf Volcano, Isabela Island, Galapagos
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Pete Oxford / Faecal pellet of Galapagos Giant Tortoise (Chelonoidis nigra) Wolf Volcano, Isabela Island, Galapagos