スミソニアン国立動物園のインスタグラム(smithsonianzoo) - 10月4日 02時54分

? Male red river hogs sport two prominent warts on their snouts. Why? These protrusions protect a male's tusks during territorial spats, in which the hogs may butt heads, jab at their opponent using their snouts and whip their tails.

Meet the Zoo’s male red river hog, Roscoe, and females Bobbie and Tangerine at the Cheetah Conservation Station! PLAN YOUR VISIT: https://s.si.edu/2h3CN1W.

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