摘要
首先,告诉你一个关于蝴蝶的坏消息:美国渔业及野生动物管理局的物种状态评估报告显示,帝王斑蝶的数量在过去25年间已减少了数亿只。这种黑橘相间的蝴蝶正面对杀虫剂、马利筋的消失——那是帝王斑蝶的产卵处,也是其幼虫唯一的食物来源,以及栖息地减少等困境。它们也遭遇了气候变迁与极端天气的挑战。
First,the bleak butterfly news:In the last 25 years,monarchs,populations have plunged by the hundreds of millions,according to the[U.S.Fish and]Wildlife service's species status assessment report.The black and orange butterflies contend with insecticides,loss of milkweed-the plant monarchs lay eggs on and the caterpillars,sole food source-and habitat loss.They5re also up against climate change and weather extremes.
