单词pygmy-hippopotamus
网络: 倭河马；侏儒河马；矮河马
The Pygmy Hippopotamus stands about one metre high and is native to West Africa. Numbers in the wild have fallen to below 2000 since 1993.
只有1米多高的矮脚河马生活在西非，从1993年起这种动物在野外的数量不足2000只。