Jen Guyton / Biologists attaching a solar-powered GPS transmitter between the shoulders of a white-headed vulture (Trigonoceps occipitalis), using Teflon ribbon that fits like a harness across the vulture's chest....
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Jen Guyton / White-headed vulture (Trigonoceps occipitalis) having measurements taken. Gorongosa National Park, Mozambique.
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Jen Guyton / Young Mozambican biologist Diolinda Mundoza releasing a white-headed vulture (Trigonoceps occipitalis), Gorongosa National Park, Mozambique.
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Jen Guyton / Young Mozambican biologist Diolinda Mundoza admires a young white-headed vulture (Trigonoceps occipitalis) as she prepares to release it. Gorongosa National Park, Mozambique.
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Jen Guyton / Dr. Greg Kaltenecker carefully hands a white-headed vulture (Trigonoceps occipitalis) to Diolinda Mundoza, a young Mozambican scientist who is training with this research team to become an ornithologi...
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Jen Guyton / A white-headed vulture (Trigonoceps occipitalis) is caught in the researcher's trap. One of the researchers gently holds it still while the other comes in to extract the bird's feet from the trap. Gor...
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Barrie Britton / Red-headed vultures (Sarcogyps calvus) and White-rumped vultures (Gyps bengalensis) and Slender-billed vultures (Gyps tenuirostris). Preah Vihear Protected Forest, Cambodia. Take on location for BBC '...
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Wim van den Heever / White-Headed Vulture (Trigonoceps occipitalis) taking off from it perch, Masai Mara, Kenya.
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Denis-Huot / White-headed vulture (Trigonoceps occipitalis) building nest, Masai-Mara Game Reserve, Kenya
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Juan Manuel Borrero / Illustration of threatened species of birds of Spain. Iberian Guillemot (Uria aalge ibericus), Cantabrian capercallie (Tetrao urogallus cantabricus), White backed woodpecker (Dendrocopos leucotos), Be...
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Staffan Widstrand / White-headed Vulture (Trigonoceps occipitalis) head portrait, Serengeti NP, Tanzania, East Africa, January
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Staffan Widstrand / White-headed Vulture (Trigonoceps occipitalis) portrait, standing on grass, Serengeti NP, Tanzania, East Africa, January
