Study reports on the origin and extinction of a giant, shaggy Ice Age rhinoceros known as the Siberian unicorn because of its extraordinary single horn. Its demise was most likely due to climate change because of the reduction in steppe grassland where it lived, rather than the impact of humans.

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Study reports on the origin and extinction of a giant, shaggy Ice Age rhinoceros known as the Siberian unicorn because of its extraordinary single horn. Its demise was most likely due to climate change because of the reduction in steppe grassland where it lived, rather than the impact of humans.