Joel Sartore / Photo Ark / Two Black bear cubs (Ursus americanus americanus) aged 10 weeks, portrait, North Carolina Zoo, USA. Captive.
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Joel Sartore / Photo Ark / Two Black bear cubs (Ursus americanus americanus) aged 10 weeks, portrait, North Carolina Zoo, USA. Captive.
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Joel Sartore / Photo Ark / Black bear cub (Ursus americanus americanus) aged 10 weeks, portrait, North Carolina Zoo, USA. Captive.
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Joel Sartore / Photo Ark / Brown hyena (Parahyaena brunnea) portrait, Prague Zoo. Captive, occurs in southern Africa.
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Joel Sartore / Photo Ark / Aardwolf (Proteles cristatus septentrionalis) female, head portrait, Cincinnati Zoo, Ohio. Captive, occurs in East Africa.
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Joel Sartore / Photo Ark / Aardwolf (Proteles cristatus septentrionalis) female, portrait, Cincinnati Zoo, Ohio. Captive, occurs in East Africa.
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Joel Sartore / Photo Ark / Aardwolf (Proteles cristatus septentrionalis) male, displaying its mane, portrait, Cincinnati Zoo, Ohio. Captive, occurs in East Africa.
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Joel Sartore / Photo Ark / Fossa (Cryptoprocta ferox) aged one year, portrait, Omaha's Henry Doorly Zoo and Aquarium, Nebraska. Captive, occurs in Madagascar.
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Joel Sartore / Photo Ark / Fossa (Cryptoprocta ferox) aged one year, portrait, Omaha's Henry Doorly Zoo and Aquarium, Nebraska. Captive, occurs in Madagascar.
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Joel Sartore / Photo Ark / Fossa (Cryptoprocta ferox) aged one year, portrait, Omaha's Henry Doorly Zoo and Aquarium, Nebraska. Captive, occurs in Madagascar.
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George Sanker / Two North American river otters (Lontra canadensis) resting at water's edge in the rain, Acadia National Park, Maine, USA. November.
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George Sanker / Black bear (Ursus americanus) cub, aged one year, feeding on vegetation, Yellowstone National Park, Wyoming, USA. June.
