In some Swiss valleys the European lesser horseshoe bat began to vanish after streetlights were installed, perhaps because those valleys were suddenly filled with light-feeding pipistrelle bats.
瑞士给一些山谷安装了路灯之后,欧洲较少数的菊头蝠已经消失,这很有可能是山谷中突然充斥着路灯给食的麦氏油蝠的缘故。