大风大浪都闯过来了,却在小河沟里翻了船。在美国密执安州的丛林里,活跃着大量的豪猪。它们属于啮齿类动物,长有发达的门牙,尤喜吃植物的根茎。因此,生长在这里的植物遭殃了,特别是那些树木,受到了极大危害。怎么办?森林管理人员没有什么好办法对付它们,豪猪成了个棘手的问题。别看豪猪个头不大,只有十几公斤,但因为它除了头部和腹部以外,全身长满了长长的像钢针一样硬的棘刺,棘刺还带有倒钩,刺入体内不 All the winds and waves passed over, but turned over the small river ditches. A large number of porcupines live in the jungle of Michigan, USA. They belong to rodents, long well-developed front teeth, especially eating plants roots. Therefore, the plants that grow here suffer, especially those trees, have been greatly harmed. What to do? There is no good way for forest managers to deal with them. Porcupine has become a thorny issue. Do not look porcupine head is small, only a dozen kilograms, but because it is in addition to the head and abdomen, the body covered with a long needle as hard as the thorns, thorns also with barbs, piercing the body does not