Pronghorns have adapted to many changes but their migration route has stayed the same since prehistoric times. | National Geographic

Hop aboard as CDFW conducts helicopter surveys of pronghorn populations in northeastern California. Aerial surveys are one of the primary tools CDFW uses to monitor big game species and support informed, science-based management decisions. Surveys conducted in February indicate that pronghorn populations in northeastern California continue to decline. Several landscape-level factors are believed to be contributing to this trend, including juniper encroachment into historic sagebrush habitat, bar