Joel Sartore Joel Sartore

National Geographic Photographer and Speaker

Keyword: biodiversity

Photo: A five-month-old mandrill (Mandrillus sphinx) in Malabo, Equatorial Guinea.

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A five-month-old mandrill (Mandrillus sphinx) in Malabo, Equatorial Guinea. The species is listed as vulnerable by IUCN.

Two koala joeys (Phascolarctos cinereus) cling to each other, waiting to be placed with human caregivers at the Australia Zoo Wildlife Hospital in Queensland. Once they're old enough, they'll be released into the wild.

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Two koala joeys (Phascolarctos cinereus) cling to each other, waiting to be placed with human caregivers at the Australia Zoo Wildlife Hospital in Queensland. Once they’re old enough, they’ll be released into the wild.

A picture of a mother koala named Augustine and her baby (Phascolarctos cinereus) at the Australia Zoo Wildlife Hospital in Queensland.

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A mother koala named Augustine and her baby (Phascolarctos cinereus) at the Australia Zoo Wildlife Hospital in Queensland.

Photo: Augustine, a mother koala (Phascolarctos cinereus) with her young ones Gus and Rupert (one is adopted and one is her own offspring) at the Australia Zoo Wildlife Hospital.

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Augustine, a mother koala (Phascolarctos cinereus) with her young ones Gus and Rupert (one is adopted and one is her own offspring) at the Australia Zoo Wildlife Hospital. This species is listed as vulnerable by IUCN.

A half-day-old hatchling leatherback turtle (Dermochelys coriacea). (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea). (IUCN: Critically Endangered, US: Endangered)

A turtle researcher holds a half-day-old hatchling leatherback turtle (Dermochelys coriacea). (IUCN: Critically Endangered, US: Endangered)

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A turtle researcher holds a half-day-old hatchling leatherback turtle (Dermochelys coriacea). (IUCN: Critically Endangered, US: Endangered)

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered) .

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island.

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from Bioko Island. (IUCN: Critically Endangered, US: Endangered)

An ocelot (Leopardus pardalis) at the San Diego Zoo, San Diego, California.

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An ocelot (Leopardus pardalis) at the San Diego Zoo, San Diego, California.

A harlequin frog (Atelopus sp.) photographed in Ecuador.

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A harlequin frog (Atelopus sp.) photographed in Ecuador.

A captive, five-month-old mandrill (Mandrillus sphinx) in Malabo, Equatorial Guinea. IUCN: Vulnerable

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A captive, five-month-old mandrill (Mandrillus sphinx) in Malabo, Equatorial Guinea. IUCN: Vulnerable

A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from the wild in Bioko. This species is listed as critically endangered by IUCN, and federally endangered (US).

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A half-day-old hatchling leatherback turtle (Dermochelys coriacea) from the wild in Bioko. This species is listed as critically endangered by IUCN, and federally endangered (US).

A common vampire bat (Desmodus rotundus) at the Buffalo Zoo, Buffalo, New York.

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A common vampire bat (Desmodus rotundus) at the Buffalo Zoo, Buffalo, New York.

A spectacled owl (Pulsatrix perspicillata) from a private collection.

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A spectacled owl (Pulsatrix perspicillata) from a private collection.

A picture of a male painted bunting (Passerina ciris pallidior) at the Brown Ranch near Christoval, TX.

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A male painted bunting (Passerina ciris pallidior) at the Brown Ranch near Christoval, TX.

A northern double-collared sunbird (Cinnyris reichenowi preussi) in Bioko Island Equatorial Guinea.

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A northern double-collared sunbird (Cinnyris reichenowi preussi) in Bioko Island Equatorial Guinea.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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