Japan has two native bear species: the Asian black bear (also called the moon bear) found across the mainland, and the larger brown bear that inhabits the northern island of Hokkaido.
October 31, 2025
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Species distribution of bears in Japan.
Adult brown bears in Hokkaido can exceed 1,100 pounds and are capable of outrunning humans, while Asian black bears are smaller climbers typically reaching around 440 pounds at most, according to the International Association for Bear Research and Management.
October 31, 2025
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Relative size and behavior of Japan's bear species.
The Ngorongoro Conservation Area contains the world's largest unbroken caldera and, according to UNESCO World Heritage, supports about 25,000 large animals including over 1,000,000 wildebeest and 72,000 zebras.
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Geological and wildlife attribute summary provided by UNESCO World Heritage.