隐藏的河马

摘要：

@@ The pygmy hippo is a solitary,elusive creature,pushing its way like a squat,500-pound battering ram through the dense undergrowth of forests in Liberia and nearby countries.As its territory was lost:to logging and farming,then overrun by civil wars starting in 1990,conservationists could only guess how many remained-certainly no more than 3,000.So when Ben Collen of the Zoological Society of London heard that the first camera trap his team set up in Sapo,Liberia's largest park,had captured a Hexaprotodon liberiensis on its way back from foraging,he was overjoyed-and relieved.

在线出版日期：2009-05-08（万方平台首次上网日期，不代表论文的发表时间）

页数：共1页

页码：23