Shauna Marquardt and Ryan Drum

Backs of woman and man standing next to equipment on tripod
Photo By/Credit
Joanna Gilkeson/USFWS
Media Usage Rights/License
Public Domain
Image
Shauna Marquardt and Ryan Drum, U.S. Fish and Wildlife Service biologists, and Dr. Nick Hristov, of Salem-Winston University, watch the LiDAR monitor as the device scans a cluster of monarchs in Pacific Grove, California.