Drone thermal image of a duck hen and ducklings in Suisun Marsh
By Western Ecological Research Center (WERC)
2019 (approx.)

Detailed Description
USGS researchers are developing techniques for using thermal cameras mounted on drones to locate nests and ducklings from the air. These techniques could enhance detection, estimation, and monitoring of waterfowl broods in flooded habitats.
Sources/Usage
Public Domain.