Of Drones and Cranes: UAV Technology Aids California Bird Conservation

Counting Sandhill Cranes can be a real challenge. How do you estimate the number of birds that gather by the thousands each evening? A new technology has great potential to help. - Matt Merrifield and Rodd Kelsey

http://blog.nature.org/science/2014/03/06/drones-uav-sandhill-cranes-california-wetlands/