スミソニアン国立動物園のインスタグラム(smithsonianzoo) - 2月11日 00時57分

To mark their territory, male red river hogs scrape their tusks against tree trunks and scent-mark using glands on their feet, neck, and near their eyes. The pronounced warts on a male red river hog’s snout help protect their tusks during sparring matches with other males. Meet our male, Roscoe, and females Bobbie and Tangerine at the Cheetah Conservation Station! PLAN YOUR VISIT: https://nationalzoo.si.edu/visit/daily-events.

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