Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) portrait, Isabela Island, Galapagos
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Tui De Roy / Wolf-Volcano giant tortoise (Chelonoidis nigra becki) portrait with ground finch (Geospiza sp. ) sitting on foot, Isabela Island, Galapagos. Did you know? Galapagos tortoises have a mutualistic relati...
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Tui De Roy / Volcan Wolf tortoise (Chelonoidis nigra) and habitat, Isabela Island, Galapagos, Ecuador. December 2008.
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Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) being marked with paint by Galapagos National Park workers, after having blood taken for DNA analysis, Isabela Island, Galapagos
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Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) being measured by Galapagos National Park Team, Isabela Island, Galapagos
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Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) in habitat, Isabela Island, Galapagos
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Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) group resting, Isabela Island, Galapagos
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Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) Isabela Island, Galapagos
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Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) walking along the side of Wolf Volcano, Isabela Island, Galapagos
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Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) having blood sample removed for DNA analysis, Isabela Island, Galapagos
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Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) amongst vegetation, Isabela Island, Galapagos
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Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) Galapagos National Park team, taking blood samples for DNA analysis, Isabela Island, Galapagos
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Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) portrait, Isabela Island, Galapagos
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Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) in habitat, Isabela Island, Galapagos
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis nigra becki), Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis nigra becki) having blood taken for DNA analysis, this subspecies shows genetic markers from Pinta and Floreana Island subspecies, Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis nigra becki), Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis nigra becki), Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis nigra becki), Galapagos Islands, Ecuador
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Paul D Stewart / Illustration of 'Albemarle Island' (now Isabela) engraving by Huyot and Bepard facing page 520 in 'All Around the World' published in 1872 by William Collins & Son. Shows the large caldera of a volcan...
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Paul D Stewart / Illustration of 'Albemarle Island' (now Isabela) hand coloured engraving by Huyot and Bepard facing page 520 in 'All Around the World' published in 1872 by William Collins & Son. Shows the large calde...
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Lucas Bustamante / Wolf Volcano giant tortoise (Chelonoidis becki) feeding on grass, Isabela Island, Galapagos National Park, Galapagos Islands.
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Tui De Roy / Volcan Alcedo Giant Tortoise (Chelonoidis vandenburghi) being measured by biologists, Wolf Volcano, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis becki), Wolf Volcano, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis becki) group, Wolf Volcano, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis becki) with overcast skies, Wolf Volcano, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis becki) group drinking during rainfall, Wolf Volcano, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis becki) with head under foot, Wolf Volcano, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis becki), Wolf Volcano, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis becki) pair mating with male looking on, Wolf Volcano, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis becki) in defensive posture, Wolf Volcano, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis becki) pair mating, Wolf Volcano, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis becki) resting head on foot, Wolf Volcano, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis becki) resting head on foot, Wolf Volcano, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Volcan Wolf Tortoise (Chelonoidis becki) resting head on foot, Wolf Volcano, Isabela Island, Galapagos Islands, Ecuador
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Tui De Roy / Steep, broken lava covered in dense, thorny vegetation on the western slope of Wolf Volcano, where hybrid descendants of Pinta and Floreana tortoises are mixed within the Wolf tortoise population. Wol...
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) group drinking from small puddles formed by fine drizzle. Wolf Volcano, Isabela Island, Galapagos
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) group drinking from small puddles formed by fine drizzle. Wolf Volcano, Isabela Island, Galapagos
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) group drinking from small puddles formed by fine drizzle. Wolf Volcano, Isabela Island, Galapagos
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) group drinking from small puddles formed by fine drizzle. Wolf Volcano, Isabela Island, Galapagos
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) portrait. Wolf Volcano, Isabela Island, Galapagos
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) resting, Wolf Volcano, Isabela Island, Galapagos
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki). Hybrids of mixed parentage with different shell shapes are scattered far and wide on the rugged west slope of Wolf Volcano. Wolf Volcano, Isabela Island, Galap...
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) aggressive display settled by he who can reach highest, often giving the advantage to the more saddlebacked shaped individual, even if overall smaller. Wolf Vol...
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) portrait, Wolf Volcano, Isabela Island, Galapagos
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) portrait, Wolf Volcano, Isabela Island, Galapagos
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) two males fight briefly over mating rights. Wolf Volcano, Isabela Island, Galapagos
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) pair mating, Wolf Volcano, Isabela Island, Galapagos
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) resting, Wolf Volcano, Isabela Island, Galapagos
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) aggressive displays, settled by he who can reach highest. This often giving the advantage to the more saddlebacked shaped individual, even if overall smaller. W...
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Tui De Roy / Wolf giant tortoise (Chelonoidis becki) in habitat. Hybrids of mixed parentage with different shell shapes are scattered far and wide on the rugged west slope of Wolf Volcano. Wolf Volcano, Isabela Is...
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Tui De Roy / Galapagos National Park team taking blood samples from Wolf Volcano giant tortoise (Geochelone becki). This is used for DNA analysis to trace descendants of extinct Pinta and Floreana species to begin...
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Tui De Roy / Pinta giant tortoise (Chelonoidis abingdoni) hybrid cross with Wolf giant tortoise (Chelonoidis becki). Found in January 2020, and around 15 years old, she will become the nucleus of a new captive bre...
