方案的具体做法是：

拯救草原犬鼠，拯救鼬

草原犬鼠是一种以大家庭方式群居在地洞里的啮齿动物。通过防疫措施让它免受森林鼠疫侵害，能够使鼬的最主要食物来源和栖息地得到保护。

草原犬鼠爱吃巧克力

谁不爱吃巧克力？蒙大拿州（Montana）的科学家们设计出了一套理想的传递系统：把裹着糖衣的小M＆M巧克力豆厚厚地涂上一层含有防疫药物成分的花生酱。好美味！

无人机提供救援

使用全球定位系统（GPS）导航，一架经过改进的商用无人机能均匀地向多个方向分撒巧克力，覆盖速度可以比人工操作快约70倍。美国鱼类和野生动物管理局的兰迪·马切特（Randy Machett）说，“我们可以边走边从袋子里投撒防疫食物，但要覆盖数千亩是很难的。”

马切特希望到九月时可以让撒播糖果的无人机飞越UL Bend国家野生动物保护区（UL Bend National Wildlife Refuge）。

无人机已证明可被有效用于追踪非法捕鱼和监测猩猩和象群。

黑足鼬是鼬鼠家族的成员，是唯一一种美洲大陆原生鼬。它曾被认为已经灭绝，但在上世纪80年代，一小群黑足鼬在怀俄明州被重新发现。这些鼬成了一直延续到今天的成功的圈养繁殖和放归项目的基础。

How drones and M&Ms could save this endangered ferret
 

How do you save an endangered species? Sometimes, an aerial candy dispenser is your best shot.

The black-footed ferret is in trouble — only 300 remain worldwide. But biologists at the U.S. Fish and Wildlife Service have put together what may sound like a crazy idea to save this animal. If the approach works, it could be beneficial to other endangered populations.

The plan involves drones, chocolate and prairie dogs, all in a bid to prevent the spread of a bacterial disease called sylvatic plague that affects some animals in the western Plains of the U.S.

  http://b259.photo.store.qq.com/psb?/V13Rrarc03mULP/g0oRiRCNoFiwAtVMpROJ0aGhr7wM2IRKZPgLbYa0R9Q!/b/dAMBAAAAAAAA&bo=EgIMAgAAAAAFAD0!

Here’s how it would work:

Save the prairie dog, save the ferret

By vaccinating prairie dogs against the sylvatic plague, officials preserve ferrets’ most important source of food and shelter. Prairie dogs are rodents that live in large family groups in underground burrows.

Prairie dogs love chocolate

Who doesn’t love chocolate? Scientists in Montana have devised the perfect delivery system: M&Ms — small, sugar-shelled chocolate discs — slathered in vaccine-laced peanut butter. Delicious!

Drones to the rescue

Using GPS navigation, a modified commercial drone can evenly shoot candies in multiple directions and cover the ground about 70 times faster than a person could. “We dropped the vaccine out of a bag while walking around, but that’s very hard to do over thousands of acres,” said Randy Machett of the U.S. Fish and Wildlife Service.

Machett hopes to have candy-dropping drones flying over the UL Bend National Wildlife Refuge by September.

Drones have already proven useful in tracking illegal fishing and monitoringorangutan and elephant populations.

The black-footed ferret, a member of the weasel family, is the only ferret species native to the Americas. It was thought to be extinct, but in the 1980s, a small population was rediscovered in Wyoming. These ferrets became the foundation for a successful captive breeding and reintroduction program that continues today.