animal census

Using Drones and Remote Sensing for Mapping and Counting Animals

Mark Altaweel

Remote sensing data from satellite and UAV imagery has been used by researchers in the mapping and observation of wildlife, in particular counting the number of animals in remote locations.

California Red-legged Frog Photo Credit: G. Fellers, U.S. Geological Survey

Using Song Meters to Count Frog Populations

Elizabeth Borneman

Conservationists use cameras, acoustic sensors, and audio recording devices to count the red-legged frog in Watsonville Slough, Santa Cruz County.