Jonah Evans' CyberTrackers Mark Their Territory in Wildlife Counting Clash

On a foggy winter morning, the shoreline of San Diego's Torrey Pines beach resembles a forensic crime scene investigation into the animal kingdom. A series of red, orange, and yellow flags mark fresh outlines in the sand around various bird, insect, and animal tracks and scat. About a dozen people in shades of green and khaki huddle around them, getting down on their hands and knees to stare intently. They are taking a CyberTracker certification field test through NatureTracking.com, one of...