and that number is falling. 而且这个数目还在减少

138. African leopards could never survive here,
     非洲豹根本不能在这里生存
139. but the Russian cats have thick fur to shield them from the cold.
     而俄罗斯的猫科动物则有厚实的皮毛 帮助它们抵挡严寒
140. There are only forty Amur leopards left in the wild
     如今世界上只存活着40只远东豹
141. and that number is falling.
     而且这个数目还在减少
142. Like so many creatures,
     与许多动物一样
143. the cats have been pushed to the very edge of extinction by hunting and the destruction of their habitat.
     由于盗猎和栖息地遭到破坏 这些大猫已经被推到了灭绝的边缘
144. The Amur leopard symbolises the fragility of our natural heritage.
     远东豹充分暴露了自然遗产的脆弱

来自《行星地球 第一季 第一集 Planet Earth S01E01 从北极到南极》第 141 行