They are better known as stealthy killing machines to take out suspected terrorists with pinpoint accuracy. But drones are also being put to more benign use in skies across several continents to track endangered wildlife, spot poachers, and chart forest loss. The unmanned aerial vehicles are skimming over Indonesia’s jungle canopy to photograph orangutans, protecting rhinos in Nepal, and studying invasive aquatic plants in Florida.
Unlimited access to BostonGlobe.com for only 99 cents for the first 4 weeks.Sign up
Are you a home delivery subscriber?
Get FREE access as part of your print subscriptionStart Here
Contact us for help