In this Feb. 15, 2012 aerial photo released by ConservationDrones.org., an elephant is seen on a green field during a drone mission in a tropical rain forest in Aceh, Sumatra, Indonesia

 

              In this Feb. 15, 2012 aerial photo released by ConservationDrones.org., an elephant is seen on a green field during a drone mission in a tropical rain forest in Aceh, Sumatra, Indonesia
In this Feb. 15, 2012 aerial photo released by ConservationDrones.org., an elephant is seen on a green field during a drone mission in a tropical rain forest in Aceh, Sumatra, Indonesia. This year, conservation drone pioneer Lian Pin Koh of the Swiss Federal Institute of Technology and partner Serge Wich have flown more than 200, mostly test runs in Asia using an improved 2.0 version of drones with a 2-meter (6.5 foot) wing span, air time of 45 minutes and a 25-kilometer (15.5-mile) range to track endangered wildlife, spot poachers and chart forest loss. (AP Photo/ConservationDrones.org) NO SALES, EDITORIAL USE ONLY